Answers

Add 84/20 and 20/98

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

84/20 + 20/98 is 1079/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 98 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   84/20 = 84 × 49/20 × 49 = 4116/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   20/98 = 20 × 10/98 × 10 = 200/980
4. Add the two like fractions:
   4116/980 + 200/980 = 4116 + 200/980 = 4316/980
5. 4316/980 simplified gives 1079/245
6. So, 84/20 + 20/98 = 1079/245
   In mixed form: 499/245

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