Answers

Subtract 70/12 from 90/98

1^st number: 90/98, 2^nd number: 5 10/12

90/98 - 70/12 is -1445/294.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 12 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 98 × 6 = 588,
   90/98 = 90 × 6/98 × 6 = 540/588
3. Likewise, for the 2nd fraction, since 12 × 49 = 588,
   70/12 = 70 × 49/12 × 49 = 3430/588
4. Subtract the two like fractions:
   540/588 - 3430/588 = 540 - 3430/588 = -2890/588
5. After reducing the fraction, the answer is -1445/294

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