Subtract 20/25 from 40/63
40/63 - 20/25 is -52/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 25 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 63 × 25 = 1575,
40/63 = 40 × 25/63 × 25 = 1000/1575 - Likewise, for the 2nd fraction, since 25 × 63 = 1575,
20/25 = 20 × 63/25 × 63 = 1260/1575 - Subtract the two like fractions:
1000/1575 - 1260/1575 = 1000 - 1260/1575 = -260/1575 - After reducing the fraction, the answer is -52/315
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