Subtract 16/63 from 81/25, Solve 3 6/25

Subtract 16/63 from 81/25

1^st number: 3 6/25, 2^nd number: 16/63

81/25 - 16/63 is 4703/1575.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575

Next, find the equivalent fraction of both fractional numbers with denominator 1575
For the 1st fraction, since 25 × 63 = 1575,
81/25 = 81 × 63/25 × 63 = 5103/1575
Likewise, for the 2nd fraction, since 63 × 25 = 1575,
16/63 = 16 × 25/63 × 25 = 400/1575
Subtract the two like fractions:
5103/1575 - 400/1575 = 5103 - 400/1575 = 4703/1575
In mixed form: 21553/1575

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