Subtract 35/18 from 81/56
1st number: 1 25/56, 2nd number: 1 17/18
81/56 - 35/18 is -251/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
81/56 = 81 × 9/56 × 9 = 729/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
35/18 = 35 × 28/18 × 28 = 980/504 - Subtract the two like fractions:
729/504 - 980/504 = 729 - 980/504 = -251/504
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