Subtract 40/50 from 20/63
20/63 - 40/50 is -152/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 50 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 63 × 50 = 3150,
20/63 = 20 × 50/63 × 50 = 1000/3150 - Likewise, for the 2nd fraction, since 50 × 63 = 3150,
40/50 = 40 × 63/50 × 63 = 2520/3150 - Subtract the two like fractions:
1000/3150 - 2520/3150 = 1000 - 2520/3150 = -1520/3150 - After reducing the fraction, the answer is -152/315
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