multiplying and dividing fractions and mixed numbers

Front

What is the first step in dividing fractions?

Back

To divide fractions, you first keep the first fraction as it is.

Front

What do you do after keeping the first fraction in a division problem?

Back

You change the division sign to multiplication.

Front

What is the final step in dividing fractions?

Back

You flip the second fraction (take its reciprocal) and multiply.

Front

What is the product of 2/3 and 3/4?

Back

1/2

Front

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

Back

1/6

Front

What is 3/5 ÷ 1/2?

Back

3/5 × 2/1 = 6/5 or 1 1/5

Front

What is 1 1/2 ÷ 3/4?

Back

1 1/2 = 3/2, so 3/2 ÷ 3/4 = 3/2 × 4/3 = 2.

Front

What is the product of 2 1/4 and 4 1/5?

Back

(9/4) × (21/5) = 189/20 or 9 9/20.

Front

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

Back

Multiply the whole number by the denominator and add the numerator. Place this over the original denominator.

Front

What is the product of 5/6 and 2/3?

Back

5/6 × 2/3 = 10/18 = 5/9 after simplification.