Answers

Add 84/18 and 6/12

1^st number: 4 12/18, 2^nd number: 6/12

84/18 + 6/12 is 31/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 12 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 18 × 2 = 36,
   84/18 = 84 × 2/18 × 2 = 168/36
3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
   6/12 = 6 × 3/12 × 3 = 18/36
4. Add the two like fractions:
   168/36 + 18/36 = 168 + 18/36 = 186/36
5. 186/36 simplified gives 31/6
6. So, 84/18 + 6/12 = 31/6
   In mixed form: 51/6

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