Answers

Subtract 1/98 from 70/21

1^st number: 3 7/21, 2^nd number: 1/98

70/21 - 1/98 is 977/294.

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,
   70/21 = 70 × 14/21 × 14 = 980/294
3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
   1/98 = 1 × 3/98 × 3 = 3/294
4. Subtract the two like fractions:
   980/294 - 3/294 = 980 - 3/294 = 977/294
5. In mixed form: 395/294

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