Subtract 84/27 from 40/63
1st number: 40/63, 2nd number: 3 3/27
40/63 - 84/27 is -52/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 63 × 3 = 189,
40/63 = 40 × 3/63 × 3 = 120/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
84/27 = 84 × 7/27 × 7 = 588/189 - Subtract the two like fractions:
120/189 - 588/189 = 120 - 588/189 = -468/189 - After reducing the fraction, the answer is -52/21
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