Subtract 70/63 from 81/8
1st number: 10 1/8, 2nd number: 1 7/63
81/8 - 70/63 is 649/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
81/8 = 81 × 63/8 × 63 = 5103/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
70/63 = 70 × 8/63 × 8 = 560/504 - Subtract the two like fractions:
5103/504 - 560/504 = 5103 - 560/504 = 4543/504 - After reducing the fraction, the answer is 649/72
- In mixed form: 91/72
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