Answers

Subtract 84/20 from 16/98

1^st number: 16/98, 2^nd number: 4 4/20

16/98 - 84/20 is -989/245.

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,
   16/98 = 16 × 10/98 × 10 = 160/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   84/20 = 84 × 49/20 × 49 = 4116/980
4. Subtract the two like fractions:
   160/980 - 4116/980 = 160 - 4116/980 = -3956/980
5. After reducing the fraction, the answer is -989/245

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