Subtract 20/63 from 25/15, Solve 1 10/15

Subtract 20/63 from 25/15

1^st number: 1 10/15, 2^nd number: 20/63

25/15 - 20/63 is 85/63.

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,
25/15 = 25 × 21/15 × 21 = 525/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
20/63 = 20 × 5/63 × 5 = 100/315
Subtract the two like fractions:
525/315 - 100/315 = 525 - 100/315 = 425/315
After reducing the fraction, the answer is 85/63
In mixed form: 122/63

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