Subtract 16/63 from 8/81
8/81 - 16/63 is -88/567.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 63 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
8/81 = 8 × 7/81 × 7 = 56/567 - Likewise, for the 2nd fraction, since 63 × 9 = 567,
16/63 = 16 × 9/63 × 9 = 144/567 - Subtract the two like fractions:
56/567 - 144/567 = 56 - 144/567 = -88/567
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