Answers

Subtract 21/7 from 1/98

1^st number: 1/98, 2^nd number: 3 0/7

1/98 - 21/7 is -293/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 7 is 98
   
   Next, find the equivalent fraction of both fractional numbers with denominator 98
2. For the 1st fraction, since 98 × 1 = 98,
   1/98 = 1 × 1/98 × 1 = 1/98
3. Likewise, for the 2nd fraction, since 7 × 14 = 98,
   21/7 = 21 × 14/7 × 14 = 294/98
4. Subtract the two like fractions:
   1/98 - 294/98 = 1 - 294/98 = -293/98

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