Subtract 12/40 from 5/63
5/63 - 12/40 is -139/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
5/63 = 5 × 40/63 × 40 = 200/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
12/40 = 12 × 63/40 × 63 = 756/2520 - Subtract the two like fractions:
200/2520 - 756/2520 = 200 - 756/2520 = -556/2520 - After reducing the fraction, the answer is -139/630
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