Subtract 81/8 from 15/63
1st number: 15/63, 2nd number: 10 1/8
15/63 - 81/8 is -1661/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
15/63 = 15 × 8/63 × 8 = 120/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
81/8 = 81 × 63/8 × 63 = 5103/504 - Subtract the two like fractions:
120/504 - 5103/504 = 120 - 5103/504 = -4983/504 - After reducing the fraction, the answer is -1661/168
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