Fraction Operations

Front

What is a common denominator in fraction operations?

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 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 result of dividing a whole number by a fraction?

Back

To divide a whole number by a fraction, multiply the whole number by the reciprocal of the fraction.

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator.

Front

When adding fractions, what must be the same?

Back

The denominators must be the same (common denominator) before adding the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the first step in subtracting 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 multiply two fractions?

Back

Multiply the numerators together and multiply the denominators together.

Tags

CCSS.5.NF.B.6

Front

What is the result of 5 ÷ ⅕?

Back

The result is 25.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

What operation requires finding the reciprocal of a fraction?

Back

Division of fractions requires finding the reciprocal.

Tags

CCSS.7.NS.A.2C

Front

How do you simplify a fraction?

Back

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