Subtract 21/84 from 7/25, Solve 7/25

Subtract 21/84 from 7/25

7/25 - 21/84 is 3/100.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100

Next, find the equivalent fraction of both fractional numbers with denominator 2100
For the 1st fraction, since 25 × 84 = 2100,
7/25 = 7 × 84/25 × 84 = 588/2100
Likewise, for the 2nd fraction, since 84 × 25 = 2100,
21/84 = 21 × 25/84 × 25 = 525/2100
Subtract the two like fractions:
588/2100 - 525/2100 = 588 - 525/2100 = 63/2100
After reducing the fraction, the answer is 3/100

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