Subtract 4/49 from 20/15, Solve 1 5/15

Subtract 4/49 from 20/15

1^st number: 1 5/15, 2^nd number: 4/49

20/15 - 4/49 is 184/147.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735

Next, find the equivalent fraction of both fractional numbers with denominator 735
For the 1st fraction, since 15 × 49 = 735,
20/15 = 20 × 49/15 × 49 = 980/735
Likewise, for the 2nd fraction, since 49 × 15 = 735,
4/49 = 4 × 15/49 × 15 = 60/735
Subtract the two like fractions:
980/735 - 60/735 = 980 - 60/735 = 920/735
After reducing the fraction, the answer is 184/147
In mixed form: 137/147

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