Subtract 81/63 from 6/8
1st number: 6/8, 2nd number: 1 18/63
6/8 - 81/63 is -15/28.
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,
6/8 = 6 × 63/8 × 63 = 378/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
81/63 = 81 × 8/63 × 8 = 648/504 - Subtract the two like fractions:
378/504 - 648/504 = 378 - 648/504 = -270/504 - After reducing the fraction, the answer is -15/28
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