Answers

Add 28/84 and 36/16

1^st number: 28/84, 2^nd number: 2 4/16

28/84 + 36/16 is 31/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 16 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 84 × 4 = 336,
   28/84 = 28 × 4/84 × 4 = 112/336
3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
   36/16 = 36 × 21/16 × 21 = 756/336
4. Add the two like fractions:
   112/336 + 756/336 = 112 + 756/336 = 868/336
5. 868/336 simplified gives 31/12
6. So, 28/84 + 36/16 = 31/12
   In mixed form: 27/12

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