Subtract 48/30 from 81/98
1st number: 81/98, 2nd number: 1 18/30
81/98 - 48/30 is -379/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
81/98 = 81 × 15/98 × 15 = 1215/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
48/30 = 48 × 49/30 × 49 = 2352/1470 - Subtract the two like fractions:
1215/1470 - 2352/1470 = 1215 - 2352/1470 = -1137/1470 - After reducing the fraction, the answer is -379/490
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