Subtract 63/42 from 3/98
1st number: 3/98, 2nd number: 1 21/42
3/98 - 63/42 is -72/49.
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,
3/98 = 3 × 3/98 × 3 = 9/294 - Likewise, for the 2nd fraction, since 42 × 7 = 294,
63/42 = 63 × 7/42 × 7 = 441/294 - Subtract the two like fractions:
9/294 - 441/294 = 9 - 441/294 = -432/294 - After reducing the fraction, the answer is -72/49
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