Subtract 4/56 from 1/81
1/81 - 4/56 is -67/1134.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 56 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 81 × 56 = 4536,
1/81 = 1 × 56/81 × 56 = 56/4536 - Likewise, for the 2nd fraction, since 56 × 81 = 4536,
4/56 = 4 × 81/56 × 81 = 324/4536 - Subtract the two like fractions:
56/4536 - 324/4536 = 56 - 324/4536 = -268/4536 - After reducing the fraction, the answer is -67/1134
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