Subtract 6/63 from 81/5, Solve 16 1/5

Subtract 6/63 from 81/5

1^st number: 16 1/5, 2^nd number: 6/63

81/5 - 6/63 is 1691/105.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 5 × 63 = 315,
81/5 = 81 × 63/5 × 63 = 5103/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
6/63 = 6 × 5/63 × 5 = 30/315
Subtract the two like fractions:
5103/315 - 30/315 = 5103 - 30/315 = 5073/315
After reducing the fraction, the answer is 1691/105
In mixed form: 1611/105

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