Subtract 80/56 from 70/63
1st number: 1 7/63, 2nd number: 1 24/56
70/63 - 80/56 is -20/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
70/63 = 70 × 8/63 × 8 = 560/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
80/56 = 80 × 9/56 × 9 = 720/504 - Subtract the two like fractions:
560/504 - 720/504 = 560 - 720/504 = -160/504 - After reducing the fraction, the answer is -20/63
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