Subtract 81/30 from 5/56
1st number: 5/56, 2nd number: 2 21/30
5/56 - 81/30 is -731/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
5/56 = 5 × 15/56 × 15 = 75/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
81/30 = 81 × 28/30 × 28 = 2268/840 - Subtract the two like fractions:
75/840 - 2268/840 = 75 - 2268/840 = -2193/840 - After reducing the fraction, the answer is -731/280
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