Subtract 18/63 from 16/15, Solve 1 1/15

Subtract 18/63 from 16/15

1^st number: 1 1/15, 2^nd number: 18/63

16/15 - 18/63 is 82/105.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 15 × 21 = 315,
16/15 = 16 × 21/15 × 21 = 336/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
18/63 = 18 × 5/63 × 5 = 90/315
Subtract the two like fractions:
336/315 - 90/315 = 336 - 90/315 = 246/315
After reducing the fraction, the answer is 82/105

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