Answers

Add 72/18 and 36/84

1^st number: 4 0/18, 2^nd number: 36/84

72/18 + 36/84 is 31/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 18 × 14 = 252,
   72/18 = 72 × 14/18 × 14 = 1008/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   36/84 = 36 × 3/84 × 3 = 108/252
4. Add the two like fractions:
   1008/252 + 108/252 = 1008 + 108/252 = 1116/252
5. 1116/252 simplified gives 31/7
6. So, 72/18 + 36/84 = 31/7
   In mixed form: 43/7

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