Subtract 81/8 from 6/27
1st number: 6/27, 2nd number: 10 1/8
6/27 - 81/8 is -713/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
6/27 = 6 × 8/27 × 8 = 48/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
81/8 = 81 × 27/8 × 27 = 2187/216 - Subtract the two like fractions:
48/216 - 2187/216 = 48 - 2187/216 = -2139/216 - After reducing the fraction, the answer is -713/72
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