Least Common Denominator and Convert

What is the least common denominator of 3/4 and 5/6?

• 9

• 15

• 10

• 12

Convert 2/5 to an equivalent fraction with a denominator of 20.

• 10/20

• 8/20

• 5/20

• 3/20

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Find the least common denominator for the fractions 1/3 and 2/5.

• 15

• 10

• 8

• 12

Convert 3/8 to an equivalent fraction with a denominator of 24.

• 11/24

• 5/24

• 7/24

• 9/24

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

the smallest number that is a multiple of the denominator of two or more fractions

• greatest common factor

• least common denominator

• benchmark

• proper fraction

What is the least common denominator you could use to subtract 1/3 and 1/4?

• 3

• 4

• 24

• 12

Alejandro wants to use the least common denominator to write equivalent fractions for 3/7 and 4/5 . He rewrites the fractions as 15/35 and 20/35 . How should he change his answer?

• The numerators are correct, but the denominators should be 7.

• 20/35 is correct, but 15/35 should be 21/25.

• 15/35 is correct, but 20/35 should be 28/35

• The denominators are correct, but both numerators should be 12.

What is the least common denominator for 8 and 12?

Mathematical Equivalence

ON

Which two fractions have a Least Common Denominator of 24.

• No

• No

• No

• Yes

• Yes