Subtract 63/21 from 3/25, Solve 3/25

Subtract 63/21 from 3/25

1^st number: 3/25, 2^nd number: 3 0/21

3/25 - 63/21 is -72/25.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 25 × 21 = 525,
3/25 = 3 × 21/25 × 21 = 63/525
Likewise, for the 2nd fraction, since 21 × 25 = 525,
63/21 = 63 × 25/21 × 25 = 1575/525
Subtract the two like fractions:
63/525 - 1575/525 = 63 - 1575/525 = -1512/525
After reducing the fraction, the answer is -72/25

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