Subtract 20/16 from 6/7, Solve 6/7 - 1 4/16 as a fraction

Subtract 20/16 from 6/7

1^st number: 6/7, 2^nd number: 1 4/16

6/7 - 20/16 is -11/28.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 7 × 16 = 112,
6/7 = 6 × 16/7 × 16 = 96/112
Likewise, for the 2nd fraction, since 16 × 7 = 112,
20/16 = 20 × 7/16 × 7 = 140/112
Subtract the two like fractions:
96/112 - 140/112 = 96 - 140/112 = -44/112
After reducing the fraction, the answer is -11/28

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