Subtract 24/27 from 18/63
18/63 - 24/27 is -38/63.
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,
18/63 = 18 × 3/63 × 3 = 54/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
24/27 = 24 × 7/27 × 7 = 168/189 - Subtract the two like fractions:
54/189 - 168/189 = 54 - 168/189 = -114/189 - After reducing the fraction, the answer is -38/63
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