Multiplying and Dividing Fractions

Front

What is the product of two fractions?

Back

To find the product of two fractions, multiply the numerators together and the denominators together. For example, (a/b) * (c/d) = (a*c)/(b*d).

Tags

CCSS.7.NS.A.2A

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the result of multiplying a whole number by a fraction?

Back

To multiply a whole number by a fraction, convert the whole number to a fraction (by placing it over 1) and then multiply the numerators and denominators.

Tags

CCSS.4.NF.B.4C

CCSS.4.NF.B.4B

Front

How do you divide fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction. For example, (a/b) ÷ (c/d) = (a/b) * (d/c).

Tags

CCSS.6.NS.A.1

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by swapping its numerator and denominator. For example, the reciprocal of a/b is b/a.

Front

What is the product of 1/7 and 1/7?

Back

The product of 1/7 and 1/7 is (1*1)/(7*7) = 1/49.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Front

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

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator.

Front

What is the result of 4/3 ÷ 5/3?

Back

The result of 4/3 ÷ 5/3 is 4/3 * 3/5 = 4/5.

Tags

CCSS.6.NS.A.1

Front

What is the product of 4 and 1/8?

Back

The product of 4 and 1/8 is 4/1 * 1/8 = 4/8, which simplifies to 1/2.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

How do you multiply fractions with different denominators?

Back

To multiply fractions with different denominators, simply multiply the numerators and the denominators without needing to find a common denominator.

Tags

CCSS.5.NF.B.6