Subtract 30/27 from 10/63
1st number: 10/63, 2nd number: 1 3/27
10/63 - 30/27 is -20/21.
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,
10/63 = 10 × 3/63 × 3 = 30/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
30/27 = 30 × 7/27 × 7 = 210/189 - Subtract the two like fractions:
30/189 - 210/189 = 30 - 210/189 = -180/189 - After reducing the fraction, the answer is -20/21
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