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Adding/Subtracting Fractions

Adding/Subtracting Fractions

Assessment

Flashcard

Mathematics

7th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a common denominator?

Back

A common denominator is a number that can be used as a denominator for two or more fractions, allowing them to be added or subtracted.

2.

FLASHCARD QUESTION

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) is the smallest multiple that two or more numbers share. It is often used to find a common denominator for fractions.

3.

FLASHCARD QUESTION

Front

How do you find a common denominator for 2/3 and 3/4?

Back

The least common multiple of 3 and 4 is 12, so 12 is a common denominator.

4.

FLASHCARD QUESTION

Front

What do you do to the numerator when changing the denominator?

Back

You must multiply the numerator by the same number you multiplied the denominator by.

5.

FLASHCARD QUESTION

Front

When adding fractions with like denominators, what happens to the denominators?

Back

The denominators stay the same.

6.

FLASHCARD QUESTION

Front

Back

7.

FLASHCARD QUESTION

Front

What is the first step in adding fractions with different denominators?

Back

Find a common denominator.

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