Subtract 15/63 from 1/27
1/27 - 15/63 is -38/189.
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,
1/27 = 1 × 7/27 × 7 = 7/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
15/63 = 15 × 3/63 × 3 = 45/189 - Subtract the two like fractions:
7/189 - 45/189 = 7 - 45/189 = -38/189
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