Answers

Subtract 21/7 from 6/98

1^st number: 6/98, 2^nd number: 3 0/7

6/98 - 21/7 is -144/49.

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,
   6/98 = 6 × 1/98 × 1 = 6/98
3. Likewise, for the 2nd fraction, since 7 × 14 = 98,
   21/7 = 21 × 14/7 × 14 = 294/98
4. Subtract the two like fractions:
   6/98 - 294/98 = 6 - 294/98 = -288/98
5. After reducing the fraction, the answer is -144/49

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