Subtract 27/36 from 15/25, Solve 15/25

Subtract 27/36 from 15/25

15/25 - 27/36 is -3/20.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900

Next, find the equivalent fraction of both fractional numbers with denominator 900
For the 1st fraction, since 25 × 36 = 900,
15/25 = 15 × 36/25 × 36 = 540/900
Likewise, for the 2nd fraction, since 36 × 25 = 900,
27/36 = 27 × 25/36 × 25 = 675/900
Subtract the two like fractions:
540/900 - 675/900 = 540 - 675/900 = -135/900
After reducing the fraction, the answer is -3/20

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