Subtract 15/56 from 2/81
2/81 - 15/56 is -1103/4536.
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,
2/81 = 2 × 56/81 × 56 = 112/4536 - Likewise, for the 2nd fraction, since 56 × 81 = 4536,
15/56 = 15 × 81/56 × 81 = 1215/4536 - Subtract the two like fractions:
112/4536 - 1215/4536 = 112 - 1215/4536 = -1103/4536
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