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sladkih
[1.3K]
3 years ago
11
What is the LCD of 6/7, 3/5, and 1/4? A.33 B.70 C.100 D.140
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KiRa
[710]
3 years ago
5
0
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.
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