Subtract 90/42 from 2/98
1st number: 2/98, 2nd number: 2 6/42
2/98 - 90/42 is -104/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 42 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
2/98 = 2 × 3/98 × 3 = 6/294 - Likewise, for the 2nd fraction, since 42 × 7 = 294,
90/42 = 90 × 7/42 × 7 = 630/294 - Subtract the two like fractions:
6/294 - 630/294 = 6 - 630/294 = -624/294 - After reducing the fraction, the answer is -104/49
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