Multiplying Fractions and Mixed Numbers (+/-)

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Front

How do you multiply fractions?

Back

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

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/3.

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 the result over the original denominator. For example, 2 1/3 = (2*3 + 1)/3 = 7/3.

Front

What is the first step in multiplying a mixed number by a fraction?

Back

Convert the mixed number to an improper fraction before multiplying.

Front

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

Back

1/2 * 3/4 = 3/8.

Front

How do you simplify a fraction?

Back

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

Front

What is the GCD of 8 and 12?

Back

The GCD of 8 and 12 is 4.

Front

If a recipe requires 1/3 cup of milk and you want to make 4/5 of the recipe, how much milk do you need?

Back

4/15 cup of milk.

Front

What is the result of multiplying 2/5 by 1/4?

Back

2/5 * 1/4 = 2/20 = 1/10 after simplification.