Answers

Add 84/36 and 20/72

1^st number: 2 12/36, 2^nd number: 20/72

84/36 + 20/72 is 47/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 36 × 2 = 72,
   84/36 = 84 × 2/36 × 2 = 168/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   20/72 = 20 × 1/72 × 1 = 20/72
4. Add the two like fractions:
   168/72 + 20/72 = 168 + 20/72 = 188/72
5. 188/72 simplified gives 47/18
6. So, 84/36 + 20/72 = 47/18
   In mixed form: 211/18

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