Review Add & Subtract Fractions - 5th Grade

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number). For example, 1/2 means one part out of two equal parts.

Tags

CCSS.3.NF.A.2B

CCSS.3.NF.A.1

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

What is the first step to add fractions with different denominators?

Back

The first step is to find a common denominator, which is a multiple of both denominators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you subtract fractions with the same denominator?

Back

To subtract fractions with the same denominator, keep the denominator the same and subtract the numerators. For example, 3/5 - 1/5 = (3-1)/5 = 2/5.

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find a common denominator for 1/3 and 1/4?

Back

The least common multiple (LCM) of 3 and 4 is 12. So, the common denominator is 12.

Front

Convert 1/3 to a fraction with a denominator of 12.

Back

To convert 1/3 to a denominator of 12, multiply the numerator and denominator by 4: 1/3 = (1*4)/(3*4) = 4/12.

Tags

CCSS.4.NF.A.1

CCSS.3.NF.A.3B

Front

What is the process to add 1/3 and 1/4?

Back

First, find a common denominator (12). Convert both fractions: 1/3 = 4/12 and 1/4 = 3/12. Then add: 4/12 + 3/12 = 7/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 5/4.

Tags

CCSS.3.NF.A.3C

Front

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

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator.