Subtract 81/5 from 45/56
1st number: 45/56, 2nd number: 16 1/5
45/56 - 81/5 is -4311/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
45/56 = 45 × 5/56 × 5 = 225/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
81/5 = 81 × 56/5 × 56 = 4536/280 - Subtract the two like fractions:
225/280 - 4536/280 = 225 - 4536/280 = -4311/280
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