Subtract 84/63 from 8/27
1st number: 8/27, 2nd number: 1 21/63
8/27 - 84/63 is -28/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
8/27 = 8 × 7/27 × 7 = 56/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
84/63 = 84 × 3/63 × 3 = 252/189 - Subtract the two like fractions:
56/189 - 252/189 = 56 - 252/189 = -196/189 - After reducing the fraction, the answer is -28/27
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