Mastering Multiplication of Fractions with GCF

What does GCF stand for?

• Greatest Common Factor

• Greatest Common Fraction

• Greatest Common Formula

• Greatest Common Function

When multiplying fractions, what should you do with the numerators and denominators?

• Multiply the numerators and multiply the denominators

• Add the numerators and subtract the denominators

• Divide the numerators and multiply the denominators

• Multiply the numerators and add the denominators

What is the prime factorization of 20?

• 2 x 2 x 5

• 2 x 10

• 2 x 5 x 2

• 4 x 5

What is the result of canceling out common factors in the fraction 20/21 x 7/8?

• 5/6

• 6/5

• 7/6

• 5/7

How do you convert a whole number to a fraction?

• Place it over 1

• Divide it by 2

• Multiply it by 1

• Subtract 1 from it

What is the prime factorization of 25?

• 5 x 5

• 2 x 5

• 3 x 5

• 5 x 2

What is the result of multiplying 2/5 by 25?

• 15

• 10

• 20

• 5

What is the prime factorization of 36?

• 2 x 18

• 2 x 2 x 3 x 3

• 3 x 12

• 6 x 6

What is the result of multiplying 4/7 by 14/36 after canceling common factors?

• 2/9

• 3/9

• 5/9

• 4/9

What is the result of multiplying 5/8 by 16 after canceling common factors?

• 11

• 10

• 9

• 8