Subtract 2/63 from 20/15, Solve 1 5/15

Subtract 2/63 from 20/15

1^st number: 1 5/15, 2^nd number: 2/63

20/15 - 2/63 is 82/63.

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,
20/15 = 20 × 21/15 × 21 = 420/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
2/63 = 2 × 5/63 × 5 = 10/315
Subtract the two like fractions:
420/315 - 10/315 = 420 - 10/315 = 410/315
After reducing the fraction, the answer is 82/63
In mixed form: 119/63

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