Answers

Add 6/12 and 84/72

1^st number: 6/12, 2^nd number: 1 12/72

6/12 + 84/72 is 5/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 12 × 6 = 72,
   6/12 = 6 × 6/12 × 6 = 36/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   84/72 = 84 × 1/72 × 1 = 84/72
4. Add the two like fractions:
   36/72 + 84/72 = 36 + 84/72 = 120/72
5. 120/72 simplified gives 5/3
6. So, 6/12 + 84/72 = 5/3
   In mixed form: 12/3

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