Subtract 10/63 from 81/28
1st number: 2 25/28, 2nd number: 10/63
81/28 - 10/63 is 689/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
81/28 = 81 × 9/28 × 9 = 729/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
10/63 = 10 × 4/63 × 4 = 40/252 - Subtract the two like fractions:
729/252 - 40/252 = 729 - 40/252 = 689/252 - In mixed form: 2185/252
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