Subtract 81/50 from 7/63
1st number: 7/63, 2nd number: 1 31/50
7/63 - 81/50 is -679/450.
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,
7/63 = 7 × 50/63 × 50 = 350/3150 - Likewise, for the 2nd fraction, since 50 × 63 = 3150,
81/50 = 81 × 63/50 × 63 = 5103/3150 - Subtract the two like fractions:
350/3150 - 5103/3150 = 350 - 5103/3150 = -4753/3150 - After reducing the fraction, the answer is -679/450
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