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What is the LCD of 6/7, 3/5, and 1/4? A.33 B.70 C.100 D.140
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What is the LCD of 6/7, 3/5, and 1/4?
A.33
B.70
C.100
D.140

User Cygery
by
7.7k points

2 Answers

4 votes

Answer:

D. 140

Explanation:

User Chespinoza
by
8.6k points
2 votes
The least common denominator of 6/7, 3/5, and 1/4 is D. 140

The LCD of 3/5 and 1/4 is 20. However, 6/7 must be considered.
So, 20 x 7 = 140.

140 ÷ 7 = 20
140 ÷ 5 = 28
140 ÷ 4 = 35

Least common denominator is need when we add or subtract fractions.

User MkVal
by
8.7k points
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