Subtract 6/16 from 90/7, Solve 12 6/7

Subtract 6/16 from 90/7

1^st number: 12 6/7, 2^nd number: 6/16

90/7 - 6/16 is 699/56.

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,
90/7 = 90 × 16/7 × 16 = 1440/112
Likewise, for the 2nd fraction, since 16 × 7 = 112,
6/16 = 6 × 7/16 × 7 = 42/112
Subtract the two like fractions:
1440/112 - 42/112 = 1440 - 42/112 = 1398/112
After reducing the fraction, the answer is 699/56
In mixed form: 1227/56

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