Subtract 15/98 from 42/21
1st number: 2 0/21, 2nd number: 15/98
42/21 - 15/98 is 181/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
42/21 = 42 × 14/21 × 14 = 588/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
15/98 = 15 × 3/98 × 3 = 45/294 - Subtract the two like fractions:
588/294 - 45/294 = 588 - 45/294 = 543/294 - After reducing the fraction, the answer is 181/98
- In mixed form: 183/98
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