Subtract 81/10 from 28/27
1st number: 1 1/27, 2nd number: 8 1/10
28/27 - 81/10 is -1907/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
28/27 = 28 × 10/27 × 10 = 280/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
81/10 = 81 × 27/10 × 27 = 2187/270 - Subtract the two like fractions:
280/270 - 2187/270 = 280 - 2187/270 = -1907/270
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