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

Subtract 7/9 from 18/16

1^st number: 1 2/16, 2^nd number: 7/9

18/16 - 7/9 is 25/72.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144
Likewise, for the 2nd fraction, since 9 × 16 = 144,
7/9 = 7 × 16/9 × 16 = 112/144
Subtract the two like fractions:
162/144 - 112/144 = 162 - 112/144 = 50/144
After reducing the fraction, the answer is 25/72

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