Subtract 81/56 from 56/15
1st number: 3 11/15, 2nd number: 1 25/56
56/15 - 81/56 is 1921/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
56/15 = 56 × 56/15 × 56 = 3136/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
81/56 = 81 × 15/56 × 15 = 1215/840 - Subtract the two like fractions:
3136/840 - 1215/840 = 3136 - 1215/840 = 1921/840 - In mixed form: 2241/840
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