Subtract 2/54 from 56/21
1st number: 2 14/21, 2nd number: 2/54
56/21 - 2/54 is 71/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
56/21 = 56 × 18/21 × 18 = 1008/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
2/54 = 2 × 7/54 × 7 = 14/378 - Subtract the two like fractions:
1008/378 - 14/378 = 1008 - 14/378 = 994/378 - After reducing the fraction, the answer is 71/27
- In mixed form: 217/27
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