Subtract 16/7 from 5/81
1st number: 5/81, 2nd number: 2 2/7
5/81 - 16/7 is -1261/567.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
5/81 = 5 × 7/81 × 7 = 35/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
16/7 = 16 × 81/7 × 81 = 1296/567 - Subtract the two like fractions:
35/567 - 1296/567 = 35 - 1296/567 = -1261/567
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