Question

Find the least common denominator between the two fractions 1/4 and 3/5

Answer 1

least common denominator is 20. So the fractions are now 5/20 (1/4) and 12/20(3/5)

Answer 2

Here is your answer:

$2^2 \times 5 = 20 1/4 = 5/20 3/5 = 12/20 20 = LCD$

Therefore your answer is "20."

Hope this helps!