Subtract 21/36 from 3/25, Solve 3/25

Subtract 21/36 from 3/25

3/25 - 21/36 is -139/300.

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,
3/25 = 3 × 36/25 × 36 = 108/900
Likewise, for the 2nd fraction, since 36 × 25 = 900,
21/36 = 21 × 25/36 × 25 = 525/900
Subtract the two like fractions:
108/900 - 525/900 = 108 - 525/900 = -417/900
After reducing the fraction, the answer is -139/300

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