Answers

Add 84/72 and 35/18

1^st number: 1 12/72, 2^nd number: 1 17/18

84/72 + 35/18 is 28/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 18 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   84/72 = 84 × 1/72 × 1 = 84/72
3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
   35/18 = 35 × 4/18 × 4 = 140/72
4. Add the two like fractions:
   84/72 + 140/72 = 84 + 140/72 = 224/72
5. 224/72 simplified gives 28/9
6. So, 84/72 + 35/18 = 28/9
   In mixed form: 31/9

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