Adding and Subtracting Fractions

Front

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

Back

Find a common denominator for both fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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 the result over the original denominator.

Front

What is the process for subtracting fractions?

Back

Ensure both fractions have a common denominator, then subtract the numerators and keep the common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you simplify a fraction?

Back

Divide the numerator and the denominator by their greatest common divisor (GCD).

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

What is the result of adding 1/2 and 1/3?

Back

The result is 5/6 after finding a common denominator (6) and adding the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you convert 2/5 to a fraction with a denominator of 10?

Back

Multiply both the numerator and denominator by 2 to get 4/10.

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is the result of subtracting 3/4 from 1?

Back

The result is 1/4.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the least common multiple (LCM) and how is it used in adding fractions?

Back

The LCM of the denominators is used to find a common denominator for adding fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the mixed number equivalent of the improper fraction 11/4?

Back

The mixed number equivalent is 2 3/4.