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Adding and Subtracting Fractions

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Questions and Answers

What is the sum of $ rac{4}{9} + rac{5}{9} $?

$ rac{5}{9} $

$ rac{3}{9} $

$ rac{9}{9} $ (correct)

$ rac{1}{2} $

What is the result of $ rac{5}{8} - rac{2}{8} $?

$ rac{5}{4} $

$ rac{7}{8} $

$ rac{1}{4} $

$ rac{3}{8} $ (correct)

If you have $ rac{1}{4} + rac{3}{8} $, how do you solve it?

Add the numerators and keep $ rac{1}{4} $ as is.

Do not convert and add directly.

First subtract the fractions, then convert.

Convert $ rac{1}{4} $ to $ rac{2}{8} $ and then add. (correct)

Which of the following describes addition of fractions with unequal denominators?

<p>First make the denominators equal, then add the numerators.</p> Signup and view all the answers

How do you calculate $ rac{6}{10} - rac{2}{5} $?

<p>Convert $ rac{2}{5} $ to $ rac{4}{10} $ before subtracting.</p> Signup and view all the answers

Study Notes

Adding Fractions

If denominators are the same, add the numerators and keep the denominator the same
Example: 3/7 + 2/7 = 5/7

Adding Fractions with Different Denominators

If denominators are different, first make them the same
Then add the numerators and keep the denominator the same

Subtracting Fractions

If denominators are the same, subtract the numerators and keep the denominator the same
Example: 3/7 - 2/7 = 1/7

Subtracting Fractions with Different Denominators

If denominators are different, first make them the same
Then subtract the numerators and keep the denominator the same

Mixed Fractions

Same rules apply as for normal fractions when adding or subtracting mixed fractions. Consider the examples provided.

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Description

This quiz covers the fundamental concepts of adding and subtracting fractions, including cases with the same and different denominators. You'll also learn how to apply these rules to mixed fractions through examples. Test your understanding of fraction operations in this informative quiz!