Subtract 98/27 from 18/63
1st number: 18/63, 2nd number: 3 17/27
18/63 - 98/27 is -632/189.
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,
18/63 = 18 × 3/63 × 3 = 54/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
98/27 = 98 × 7/27 × 7 = 686/189 - Subtract the two like fractions:
54/189 - 686/189 = 54 - 686/189 = -632/189
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