Question

4/5 - 1/4 - 3/10 = 1/__ What is the answer

Answer 1

common LCM of 5,4 & 10 is 20..

So converting the question to fractions of denominator 20:

[(4/5)×(4/4)]-[(1/4)×(5/5)]-[(3/10)×(2/2)]

=(16/20)-(5/20)-(6/20)

5/20

=1/4

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