Subtract 56/21 from 48/27
1st number: 1 21/27, 2nd number: 2 14/21
48/27 - 56/21 is -8/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 21 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
48/27 = 48 × 7/27 × 7 = 336/189 - Likewise, for the 2nd fraction, since 21 × 9 = 189,
56/21 = 56 × 9/21 × 9 = 504/189 - Subtract the two like fractions:
336/189 - 504/189 = 336 - 504/189 = -168/189 - After reducing the fraction, the answer is -8/9
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