Subtract 12/27 from 21/25, Solve 21/25

Subtract 12/27 from 21/25

21/25 - 12/27 is 89/225.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675

Next, find the equivalent fraction of both fractional numbers with denominator 675
For the 1st fraction, since 25 × 27 = 675,
21/25 = 21 × 27/25 × 27 = 567/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
12/27 = 12 × 25/27 × 25 = 300/675
Subtract the two like fractions:
567/675 - 300/675 = 567 - 300/675 = 267/675
After reducing the fraction, the answer is 89/225

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