Subtract 81/12 from 56/3
1st number: 18 2/3, 2nd number: 6 9/12
56/3 - 81/12 is 143/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
56/3 = 56 × 4/3 × 4 = 224/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
81/12 = 81 × 1/12 × 1 = 81/12 - Subtract the two like fractions:
224/12 - 81/12 = 224 - 81/12 = 143/12 - In mixed form: 1111/12
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