Answers

Subtract 70/20 from 3/98

1^st number: 3/98, 2^nd number: 3 10/20

3/98 - 70/20 is -170/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 20 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 98 × 10 = 980,
   3/98 = 3 × 10/98 × 10 = 30/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   70/20 = 70 × 49/20 × 49 = 3430/980
4. Subtract the two like fractions:
   30/980 - 3430/980 = 30 - 3430/980 = -3400/980
5. After reducing the fraction, the answer is -170/49

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