Subtract 56/45 from 70/63
1st number: 1 7/63, 2nd number: 1 11/45
70/63 - 56/45 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
56/45 = 56 × 7/45 × 7 = 392/315 - Subtract the two like fractions:
350/315 - 392/315 = 350 - 392/315 = -42/315 - After reducing the fraction, the answer is -2/15
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