Answers

Subtract 15/98 from 49/21

1^st number: 2 7/21, 2^nd number: 15/98

49/21 - 15/98 is 641/294.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 21 × 14 = 294,
   49/21 = 49 × 14/21 × 14 = 686/294
3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
   15/98 = 15 × 3/98 × 3 = 45/294
4. Subtract the two like fractions:
   686/294 - 45/294 = 686 - 45/294 = 641/294
5. In mixed form: 253/294

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