Subtract 27/72 from 4/10, Solve 4/10

Subtract 27/72 from 4/10

4/10 - 27/72 is 1/40.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 10 × 36 = 360,
4/10 = 4 × 36/10 × 36 = 144/360
Likewise, for the 2nd fraction, since 72 × 5 = 360,
27/72 = 27 × 5/72 × 5 = 135/360
Subtract the two like fractions:
144/360 - 135/360 = 144 - 135/360 = 9/360
After reducing the fraction, the answer is 1/40

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