Answers

Add 18/84 and 36/18

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

18/84 + 36/18 is 31/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 18 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 18 × 14 = 252,
   36/18 = 36 × 14/18 × 14 = 504/252
4. Add the two like fractions:
   54/252 + 504/252 = 54 + 504/252 = 558/252
5. 558/252 simplified gives 31/14
6. So, 18/84 + 36/18 = 31/14
   In mixed form: 23/14

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