Subtract 1/27 from 42/63
42/63 - 1/27 is 17/27.
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,
42/63 = 42 × 3/63 × 3 = 126/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
1/27 = 1 × 7/27 × 7 = 7/189 - Subtract the two like fractions:
126/189 - 7/189 = 126 - 7/189 = 119/189 - After reducing the fraction, the answer is 17/27
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