Subtract 30/15 from 56/63
1st number: 56/63, 2nd number: 2 0/15
56/63 - 30/15 is -10/9.
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,
56/63 = 56 × 5/63 × 5 = 280/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
30/15 = 30 × 21/15 × 21 = 630/315 - Subtract the two like fractions:
280/315 - 630/315 = 280 - 630/315 = -350/315 - After reducing the fraction, the answer is -10/9
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