Subtract 81/30 from 8/56
1st number: 8/56, 2nd number: 2 21/30
8/56 - 81/30 is -179/70.
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,
8/56 = 8 × 15/56 × 15 = 120/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
81/30 = 81 × 28/30 × 28 = 2268/840 - Subtract the two like fractions:
120/840 - 2268/840 = 120 - 2268/840 = -2148/840 - After reducing the fraction, the answer is -179/70
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