Subtract 3/7 from 81/54
1st number: 1 27/54, 2nd number: 3/7
81/54 - 3/7 is 15/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
81/54 = 81 × 7/54 × 7 = 567/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
3/7 = 3 × 54/7 × 54 = 162/378 - Subtract the two like fractions:
567/378 - 162/378 = 567 - 162/378 = 405/378 - After reducing the fraction, the answer is 15/14
- In mixed form: 11/14
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