Answers

Add 18/84 and 36/9

1^st number: 18/84, 2^nd number: 4 0/9

18/84 + 36/9 is 59/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 9 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   18/84 = 18 × 3/84 × 3 = 54/252
3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
   36/9 = 36 × 28/9 × 28 = 1008/252
4. Add the two like fractions:
   54/252 + 1008/252 = 54 + 1008/252 = 1062/252
5. 1062/252 simplified gives 59/14
6. So, 18/84 + 36/9 = 59/14
   In mixed form: 43/14

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