Subtract 4/27 from 20/15, Solve 1 5/15

Subtract 4/27 from 20/15

1^st number: 1 5/15, 2^nd number: 4/27

20/15 - 4/27 is 32/27.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 15 × 9 = 135,
20/15 = 20 × 9/15 × 9 = 180/135
Likewise, for the 2nd fraction, since 27 × 5 = 135,
4/27 = 4 × 5/27 × 5 = 20/135
Subtract the two like fractions:
180/135 - 20/135 = 180 - 20/135 = 160/135
After reducing the fraction, the answer is 32/27
In mixed form: 15/27

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