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LCD and Equivalent Fractions

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LCD and Equivalent Fractions

For each set, find the least common denominator (LCD). Then rewrite every fraction as an equivalent fraction with that denominator. Show your work.

Find the LCD and make equivalent fractions

1.For 1/3 and 1/4, find the LCD and rewrite both fractions with that denominator.

2.For 2/5 and 1/6, find the LCD and rewrite both fractions with that denominator.

3.For 3/8 and 1/2, find the LCD and rewrite both fractions with that denominator.

4.For 2/7 and 3/14, find the LCD and rewrite both fractions with that denominator.

5.For 5/6 and 1/4, find the LCD and rewrite both fractions with that denominator.

6.For 3/10 and 2/15, find the LCD and rewrite both fractions with that denominator.

Quick check

Answer each question. Some questions may have more than one correct answer.

7.What is the LCD of 1/4 and 1/10?

8.Which fraction is equivalent to 3/5 and has a denominator of 20?

9/20
12/20
15/20
18/20

9.Select every pair of fractions whose LCD is 24.

1/6 and 5/8
1/3 and 5/12
3/8 and 1/24
1/4 and 2/9

Stretch your thinking

10.Find the LCD of 1/3, 1/5, and 1/6. Rewrite all three fractions using that denominator.

11.Find the LCD of 2/9, 1/4, and 5/6. Rewrite all three fractions using that denominator.

12.At a fishing harbor, Caleb unloads 2/3 of a crate of fish, while Hannah unloads 3/4 of a crate of the same size. Find the LCD, express both amounts with that denominator, and state who unloaded more.