Subtract 18/16 from 9/18, Solve 9/18

Subtract 18/16 from 9/18

1^st number: 9/18, 2^nd number: 1 2/16

9/18 - 18/16 is -5/8.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 18 × 8 = 144,
9/18 = 9 × 8/18 × 8 = 72/144
Likewise, for the 2nd fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144
Subtract the two like fractions:
72/144 - 162/144 = 72 - 162/144 = -90/144
After reducing the fraction, the answer is -5/8

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