Answers

Add 98/45 and 36/84

1^st number: 2 8/45, 2^nd number: 36/84

98/45 + 36/84 is 821/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 84 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 45 × 28 = 1260,
   98/45 = 98 × 28/45 × 28 = 2744/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   36/84 = 36 × 15/84 × 15 = 540/1260
4. Add the two like fractions:
   2744/1260 + 540/1260 = 2744 + 540/1260 = 3284/1260
5. 3284/1260 simplified gives 821/315
6. So, 98/45 + 36/84 = 821/315
   In mixed form: 2191/315

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