Subtract 9/84 from 81/56
1st number: 1 25/56, 2nd number: 9/84
81/56 - 9/84 is 75/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
81/56 = 81 × 3/56 × 3 = 243/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
9/84 = 9 × 2/84 × 2 = 18/168 - Subtract the two like fractions:
243/168 - 18/168 = 243 - 18/168 = 225/168 - After reducing the fraction, the answer is 75/56
- In mixed form: 119/56
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