Answers

Subtract 70/49 from 90/98

1^st number: 90/98, 2^nd number: 1 21/49

90/98 - 70/49 is -25/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 49 is 98
   
   Next, find the equivalent fraction of both fractional numbers with denominator 98
2. For the 1st fraction, since 98 × 1 = 98,
   90/98 = 90 × 1/98 × 1 = 90/98
3. Likewise, for the 2nd fraction, since 49 × 2 = 98,
   70/49 = 70 × 2/49 × 2 = 140/98
4. Subtract the two like fractions:
   90/98 - 140/98 = 90 - 140/98 = -50/98
5. After reducing the fraction, the answer is -25/49

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