Subtract 18/63 from 2/27
2/27 - 18/63 is -40/189.
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,
2/27 = 2 × 7/27 × 7 = 14/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
18/63 = 18 × 3/63 × 3 = 54/189 - Subtract the two like fractions:
14/189 - 54/189 = 14 - 54/189 = -40/189
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