Subtract 81/63 from 28/50
1st number: 28/50, 2nd number: 1 18/63
28/50 - 81/63 is -127/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 63 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 50 × 63 = 3150,
28/50 = 28 × 63/50 × 63 = 1764/3150 - Likewise, for the 2nd fraction, since 63 × 50 = 3150,
81/63 = 81 × 50/63 × 50 = 4050/3150 - Subtract the two like fractions:
1764/3150 - 4050/3150 = 1764 - 4050/3150 = -2286/3150 - After reducing the fraction, the answer is -127/175
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