Subtract 56/21 from 48/54
1st number: 48/54, 2nd number: 2 14/21
48/54 - 56/21 is -16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
48/54 = 48 × 7/54 × 7 = 336/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
56/21 = 56 × 18/21 × 18 = 1008/378 - Subtract the two like fractions:
336/378 - 1008/378 = 336 - 1008/378 = -672/378 - After reducing the fraction, the answer is -16/9
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