Subtract 63/14 from 21/25, Solve 21/25

Subtract 63/14 from 21/25

1^st number: 21/25, 2^nd number: 4 7/14

21/25 - 63/14 is -183/50.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 14 is 350

Next, find the equivalent fraction of both fractional numbers with denominator 350
For the 1st fraction, since 25 × 14 = 350,
21/25 = 21 × 14/25 × 14 = 294/350
Likewise, for the 2nd fraction, since 14 × 25 = 350,
63/14 = 63 × 25/14 × 25 = 1575/350
Subtract the two like fractions:
294/350 - 1575/350 = 294 - 1575/350 = -1281/350
After reducing the fraction, the answer is -183/50

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