Adding and Subtracting Mixed Numbers

Adding and Subtracting Mixed Numbers

Assessment

Flashcard

Mathematics

5th 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 mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 \frac{1}{2}.

2.

FLASHCARD QUESTION

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator. For example, 2 \frac{3}{4} = \frac{(2 \times 4) + 3}{4} = \frac{11}{4}.

3.

FLASHCARD QUESTION

Front

What is the first step in adding mixed numbers?

Back

Convert each mixed number to an improper fraction.

4.

FLASHCARD QUESTION

Front

How do you find a common denominator for fractions?

Back

Identify the least common multiple (LCM) of the denominators.

5.

FLASHCARD QUESTION

Front

What is the sum of 2 \frac{1}{3} and 1 \frac{2}{5}?

Back

First convert to improper fractions: 2 \frac{1}{3} = \frac{7}{3}, 1 \frac{2}{5} = \frac{7}{5}. Find a common denominator (15), then add: \frac{35}{15} + \frac{21}{15} = \frac{56}{15} = 3 \frac{11}{15}.

6.

FLASHCARD QUESTION

Front

What is the difference between 5 \frac{1}{2} and 2 \frac{3}{4}?

Back

Convert to improper fractions: 5 \frac{1}{2} = \frac{11}{2}, 2 \frac{3}{4} = \frac{11}{4}. Find a common denominator (4), then subtract: \frac{22}{4} - \frac{11}{4} = \frac{11}{4} = 2 \frac{3}{4}.

7.

FLASHCARD QUESTION

Front

What do you do if the result of adding mixed numbers is an improper fraction?

Back

Convert the improper fraction back to a mixed number.

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