Subtract 48/36 from 21/98
1st number: 21/98, 2nd number: 1 12/36
21/98 - 48/36 is -47/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 36 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 98 × 18 = 1764,
21/98 = 21 × 18/98 × 18 = 378/1764 - Likewise, for the 2nd fraction, since 36 × 49 = 1764,
48/36 = 48 × 49/36 × 49 = 2352/1764 - Subtract the two like fractions:
378/1764 - 2352/1764 = 378 - 2352/1764 = -1974/1764 - After reducing the fraction, the answer is -47/42
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