Subtract 48/54 from 81/28
1st number: 2 25/28, 2nd number: 48/54
81/28 - 48/54 is 505/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
81/28 = 81 × 27/28 × 27 = 2187/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
48/54 = 48 × 14/54 × 14 = 672/756 - Subtract the two like fractions:
2187/756 - 672/756 = 2187 - 672/756 = 1515/756 - After reducing the fraction, the answer is 505/252
- In mixed form: 21/252
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