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I found an answer from reference.wolfram.com

Putting Expressions into Different Forms—Wolfram Language ...

Complicated algebraic expressions can usually be written in many different ways. ... a variety of functions for converting expressions from one form to another. ... According to Simplify, this is the simplest way to write the original expression. ... with a single variable, you can choose to write it as a sum of terms, a product, and  ...

Mahesh Godavarti
1

The biggest trick is to find a common denominator (any common denominator will do).

Let's say we want to do 3/7 + 4/5.

Can we think of a number that can be divided into both sevenths and fifths?

That is 35.

Therefore, 3/7 = 15/35

4/5 = 28/35

Therefore, 3/7 + 4/5 = 15/35 + 28/35 = 43/35

Why should the denominators be the same? Because, having a common denominator makes it easy to add.

How much is 15 thirty-fifths + 28 thirty-fifths?

It's like asking, how much is 15 apples + 28 apples = 43 apples?

Therefore, 15 thirty-fifths + 28 thirty-fifths = 43 thirty-fifths = 43/35.

Hopefully, the following helps.

https://medium.com/i-math/the-no-nonsense-straightforward-da76a4849ec

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I found an answer from www.quora.com

How do I add, divide, multiply and subtract fractions with and without ...

Same denominator: Addition: You add the numerators in the fraction. ... Other Answers ... you are essentially 'converting' the two fractions into a form they can ... The easiest way to find one, is by multiplying the two denominators together. ... top answer of the fraction, then denominator times denominator will get you your  ...

For more information, see How do I add, divide, multiply and subtract fractions with and without ...

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I found an answer from math.stackexchange.com

How to multiply, divide, add and subtract fractions

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I found an answer from en.wikipedia.org

Mental calculation - Wikipedia

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I found an answer from codereview.stackexchange.com

java - Mathematical functions on fractions - Code Review Stack ...

Mar 5, 2015 ... I get it that you're writing this in ideone so you cannot do this, but for ... What do you get when you add a Fraction with another Fraction ? ... Simply add , subtract , multiply , divide is enough. .... The results should be in reduced form. .... If this has a numerator of zero, we can just quickly return a zero fraction.

For more information, see java - Mathematical functions on fractions - Code Review Stack ...

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I found an answer from math.meta.stackexchange.com

MathJax basic tutorial and quick reference - Mathematics Meta Stack ...

And it turns out that this operation can be frustrating and time consuming, which can cause the buddy to abandon writing the complete $\LaTeX$ sentence in his answer, or in .... Just after \begin{array} the format of each column should be listed, use c for a ..... You can have a look here for quick reference on colors in HTML.

For more information, see MathJax basic tutorial and quick reference - Mathematics Meta Stack ...

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I found an answer from stackoverflow.com

Retain precision with double in Java - Stack Overflow

As has been mentioned several times already, Java has a BigDecimal class ... When you print this value out, it gets rounded yet again to 17 decimal digits, giving: ... If you just want to process values as fractions, you can create a Fraction ... Write methods for add, subtract, multiply and divide as well as a toDouble method.

For more information, see Retain precision with double in Java - Stack Overflow

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I found an answer from blog.wolfram.com

10 Tips for Writing Fast Mathematica Code—Wolfram Blog

Dec 7, 2011 ... Expert, detailed tips on writing optimal Mathematica code to take ... On my dual- core machine I get a result 150 times faster than the original; the benefit would be even greater with more cores ... cfn2C = Compile[{x}, Block[{sum = 1.0, inc ... That's great when you just need to get a quick answer, but it will also ...

For more information, see 10 Tips for Writing Fast Mathematica Code—Wolfram Blog

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I found an answer from math.stackexchange.com

arithmetic - Subtraction when second number is bigger than first ...

May 7, 2015 ... What I do when I have to solve this sort of problem is swap the order of the .... But note that the "places" in your answer are all positive. ... So the final answer will be .... what you should to at the left edge of the subtraction is to keep borrowing ... Subtracting this way will give you a negative number, the easiest ...

For more information, see arithmetic - Subtraction when second number is bigger than first ...

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I found an answer from en.wikipedia.org

Addition is one of the four basic operations of arithmetic; the others are subtraction, multiplication and division. The addition of two whole numbers is the total amount of those values combined. For example, in the adjacent picture, there is a combination of three apples ... In algebra, another area of mathematics, addition can be performed on ...

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I found an answer from infolab.stanford.edu

3 The Running Time of Programs

... we also need to choose an algorithm that runs quickly and uses the available computing ... takes a program to run, although there are other resources that a program ... program can be used, and running time is the main topic of this chapter. We ..... proof, let n0 = 1, and let c be the sum of all the positive coefficients among.

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I found an answer from policies.yahoo.com

You are not required to be logged in to view questions, answers, and related comments. ... and personally identifiable forms - including specific questions, answers, ... We will use information about your activity on this service to improve Yahoo ... You may change this name at any time and the name linked to all previous ...

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I found an answer from plato.stanford.edu

Zeno's Paradoxes (Stanford Encyclopedia of Philosophy)

Apr 30, 2002 ... In addition Aristotle attributes two other paradoxes to Zeno. ... Before we look at the paradoxes themselves it will be useful to sketch some of their historical and logical ... As we read the arguments it is crucial to keep this method in mind. .... Surely this answer seems as intuitive as the sum of fractions. But this ...