Subtract 81/49 from 40/27
1st number: 1 13/27, 2nd number: 1 32/49
40/27 - 81/49 is -227/1323.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 49 is 1323
Next, find the equivalent fraction of both fractional numbers with denominator 1323 - For the 1st fraction, since 27 × 49 = 1323,
40/27 = 40 × 49/27 × 49 = 1960/1323 - Likewise, for the 2nd fraction, since 49 × 27 = 1323,
81/49 = 81 × 27/49 × 27 = 2187/1323 - Subtract the two like fractions:
1960/1323 - 2187/1323 = 1960 - 2187/1323 = -227/1323
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