Add/Subtract Mixed Numbers Review

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/4.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

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 3/5 = (2*5 + 3)/5 = 13/5.

Front

What is the first step in adding mixed numbers?

Back

Convert each mixed number to an improper fraction.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you subtract mixed numbers?

Back

Convert each mixed number to an improper fraction, then subtract the fractions. If necessary, convert back to a mixed number.

Tags

CCSS.7.NS.A.1C

Front

What is the sum of 1 1/2 and 2 1/3?

Back

The sum is 3 5/6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the difference between 4 1/4 and 2 2/5?

Back

The difference is 1 7/20.

Tags

CCSS.7.NS.A.1C

Front

How do you find a common denominator for fractions?

Back

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

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the least common multiple (LCM) of 4 and 5?

Back

The LCM of 4 and 5 is 20.

Front

If Marie needs 2 1/4 yards of fabric and has 1 3/8 yards, how much more does she need?

Back

She needs 7/8 yard more.

Tags

CCSS.7.NS.A.1C

Front

How do you add fractions with different denominators?

Back

Find a common denominator, convert the fractions, then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2