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6 Questions

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Adding and Subtracting Fractions

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Questions and Answers

What is the result of 4/9 + 2/9?

2/9
8/9
4/9
6/9 (correct)

What do you do first when subtracting two fractions with unequal denominators?

Subtract the numerators directly
Equalize the denominators (correct)
Convert to whole numbers first
Add the numerators

In the operation 5/8 - 1/8, what is the outcome?

4/8 (correct)
5/8
0/8
6/8

When adding the fractions 1/3 and 1/6, what is the correct first step?

<p>Convert both fractions to sixths (A)</p> Signup and view all the answers

Which statement is true regarding the addition and subtraction of fractions?

<p>Only numerators are added or subtracted when denominators are equal (A)</p> Signup and view all the answers

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Flashcards

Adding fractions with the same denominator

When adding fractions with the same denominator, add the numerators and keep the denominator the same.

Subtracting fractions with the same denominator

When subtracting fractions with the same denominator, subtract the numerators and keep the denominator the same.

Subtracting fractions with different denominators

To subtract fractions with different denominators, first find a common denominator, then subtract the numerators and keep the new denominator.

Similar rules for addition and subtraction

The same rules apply for both adding and subtracting fractions, the only difference is the operation performed on the numerators.

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What does the denominator represent?

The denominator in a fraction represents the total number of equal parts that make up a whole.

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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: If denominators are the same, subtract the numerators and keep the denominator the same

Subtracting Fractions with different denominators

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

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Description

This quiz covers the essential rules for adding and subtracting fractions, including cases with both common and different denominators. You'll learn how to manipulate fractions effectively, using clear examples for better understanding.