Answers

Add 16/84 and 98/90

1^st number: 16/84, 2^nd number: 1 8/90

16/84 + 98/90 is 403/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   16/84 = 16 × 15/84 × 15 = 240/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   98/90 = 98 × 14/90 × 14 = 1372/1260
4. Add the two like fractions:
   240/1260 + 1372/1260 = 240 + 1372/1260 = 1612/1260
5. 1612/1260 simplified gives 403/315
6. So, 16/84 + 98/90 = 403/315
   In mixed form: 188/315

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