Subtract 56/15 from 18/63
1st number: 18/63, 2nd number: 3 11/15
18/63 - 56/15 is -362/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
18/63 = 18 × 5/63 × 5 = 90/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
56/15 = 56 × 21/15 × 21 = 1176/315 - Subtract the two like fractions:
90/315 - 1176/315 = 90 - 1176/315 = -1086/315 - After reducing the fraction, the answer is -362/105
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