Answers

Subtract 28/7 from 9/98

1^st number: 9/98, 2^nd number: 4 0/7

9/98 - 28/7 is -383/98.

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,
   9/98 = 9 × 1/98 × 1 = 9/98
3. Likewise, for the 2nd fraction, since 7 × 14 = 98,
   28/7 = 28 × 14/7 × 14 = 392/98
4. Subtract the two like fractions:
   9/98 - 392/98 = 9 - 392/98 = -383/98

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