Subtract 80/36 from 12/25, Solve 12/25

Subtract 80/36 from 12/25

1^st number: 12/25, 2^nd number: 2 8/36

12/25 - 80/36 is -392/225.

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,
12/25 = 12 × 36/25 × 36 = 432/900
Likewise, for the 2nd fraction, since 36 × 25 = 900,
80/36 = 80 × 25/36 × 25 = 2000/900
Subtract the two like fractions:
432/900 - 2000/900 = 432 - 2000/900 = -1568/900
After reducing the fraction, the answer is -392/225

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