Subtract 9/7 from 18/16, Solve 1 2/16

Subtract 9/7 from 18/16

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

18/16 - 9/7 is -9/56.

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

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 16 × 7 = 112,
18/16 = 18 × 7/16 × 7 = 126/112
Likewise, for the 2nd fraction, since 7 × 16 = 112,
9/7 = 9 × 16/7 × 16 = 144/112
Subtract the two like fractions:
126/112 - 144/112 = 126 - 144/112 = -18/112
After reducing the fraction, the answer is -9/56

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