Subtract 24/63 from 7/40
7/40 - 24/63 is -173/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 40 × 63 = 2520,
7/40 = 7 × 63/40 × 63 = 441/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
24/63 = 24 × 40/63 × 40 = 960/2520 - Subtract the two like fractions:
441/2520 - 960/2520 = 441 - 960/2520 = -519/2520 - After reducing the fraction, the answer is -173/840
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