P5: (11/19) Multiplying and Dividing Fractions

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.

Front

Convert the mixed number 2 3/4 to an improper fraction.

Back

2 3/4 = 11/4.

Front

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

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the denominator is the fractional part.

Front

Convert the improper fraction 12/5 to a mixed number.

Back

12/5 = 2 2/5.

Front

What is the formula to multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together: (a/b) * (c/d) = (a*c)/(b*d).

Front

If Rosie runs 2 1/2 miles every day, how many miles will she run in 5 days?

Back

Rosie will run 12 1/2 miles in 5 days.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.

Front

How do you divide fractions?

Back

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

Front

What is the first step in converting a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator of the fractional part.

Front

What is the result of multiplying 2/3 by 3/4?

Back

(2/3) * (3/4) = 6/12 = 1/2.