Subtract 12/8 from 40/63
1st number: 40/63, 2nd number: 1 4/8
40/63 - 12/8 is -109/126.
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,
40/63 = 40 × 8/63 × 8 = 320/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
12/8 = 12 × 63/8 × 63 = 756/504 - Subtract the two like fractions:
320/504 - 756/504 = 320 - 756/504 = -436/504 - After reducing the fraction, the answer is -109/126
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