Fraction Division and Multiplication Flashcard

Front

What is the greatest common factor (GCF) of two numbers?

Back

The GCF of two numbers is the largest number that divides both of them without leaving a remainder.

Front

How do you find the GCF of 36 and 48?

Back

List the factors of both numbers: Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36; Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48. The GCF is 12.

Front

What is a reciprocal in mathematics?

Back

The reciprocal of a number is 1 divided by that number. For a fraction, it is obtained by swapping the numerator and denominator.

Front

Back

Front

How do you divide fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction.

Front

Back

Front

What is a mixed number?

Back

Front

How do you divide mixed numbers?

Back

Convert mixed numbers to improper fractions, then multiply by the reciprocal of the second fraction.

Front

Back

Front

What is the GCF of 28 and 42?

Back

The GCF of 28 and 42 is 14.