Answers

Add 84/42 and 28/98

1^st number: 2 0/42, 2^nd number: 28/98

84/42 + 28/98 is 16/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 98 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   84/42 = 84 × 7/42 × 7 = 588/294
3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
   28/98 = 28 × 3/98 × 3 = 84/294
4. Add the two like fractions:
   588/294 + 84/294 = 588 + 84/294 = 672/294
5. 672/294 simplified gives 16/7
6. So, 84/42 + 28/98 = 16/7
   In mixed form: 22/7

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