Subtract 18/16 from 8/9
1st number: 8/9, 2nd number: 1 2/16
8/9 - 18/16 is -17/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
8/9 = 8 × 16/9 × 16 = 128/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144 - Subtract the two like fractions:
128/144 - 162/144 = 128 - 162/144 = -34/144 - After reducing the fraction, the answer is -17/72
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