Dividing Fractions and Mixed Numbers Explained

What is the first step in dividing fractions and mixed numbers?

• Cross-simplify

• Convert all numbers to fraction form

• Multiply by the reciprocal

• Reduce the fraction

Tags

CCSS.6.NS.A.1

What does the phrase 'copy, flop' help you remember?

• To copy the first fraction and flip the second

• To reduce the fractions

• To cross-simplify the fractions

• To change the division to addition

Tags

CCSS.7.RP.A.3

What is the reciprocal of 5/8?

• 8/5

• 5/8

• 1/8

• 8/1

Why is it important to rewrite the problem as a division before changing it to multiplication?

• To reduce the fractions

• To cross-simplify the fractions

• To make the problem look simpler

• To avoid forgetting to multiply by the reciprocal

Tags

CCSS.7.NS.A.2C

In the example problem, what is 4 and 3/4 converted to an improper fraction?

• 19/4

• 16/4

• 15/4

• 20/4

What is the result of 19/4 divided by 5/8?

• 38/5

• 19/8

• 8/19

• 5/38

Tags

CCSS.6.NS.A.1

What is the reciprocal of 9/1?

• 9/9

• 1/1

• 9/1

• 1/9

What is the result of 3/4 divided by 9?

• 1/3

• 1/12

• 4/9

• 3/9

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

What is the result of 3 and 1/4 divided by 2 and 3/4?

• 1 and 2/11

• 1 and 3/4

• 2 and 1/4

• 1 and 1/2

Tags

CCSS.7.NS.A.2B

Why can't you cross-simplify during division?

• Because it is a division problem, not a multiplication problem

• Because it makes the problem more complex

• Because it is not allowed in math

• Because the numbers are too large

Tags

CCSS.3.OA.B.5