Subtract 20/27 from 75/63
1st number: 1 12/63, 2nd number: 20/27
75/63 - 20/27 is 85/189.
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,
75/63 = 75 × 3/63 × 3 = 225/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
20/27 = 20 × 7/27 × 7 = 140/189 - Subtract the two like fractions:
225/189 - 140/189 = 225 - 140/189 = 85/189
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