Subtract 27/15 from 20/16, Solve 1 4/16

Subtract 27/15 from 20/16

1^st number: 1 4/16, 2^nd number: 1 12/15

20/16 - 27/15 is -11/20.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 15 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 16 × 15 = 240,
20/16 = 20 × 15/16 × 15 = 300/240
Likewise, for the 2nd fraction, since 15 × 16 = 240,
27/15 = 27 × 16/15 × 16 = 432/240
Subtract the two like fractions:
300/240 - 432/240 = 300 - 432/240 = -132/240
After reducing the fraction, the answer is -11/20

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