Subtract 70/63 from 8/45
1st number: 8/45, 2nd number: 1 7/63
8/45 - 70/63 is -14/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
8/45 = 8 × 7/45 × 7 = 56/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Subtract the two like fractions:
56/315 - 350/315 = 56 - 350/315 = -294/315 - After reducing the fraction, the answer is -14/15
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