Answers

Add 84/15 and 84/12

1^st number: 5 9/15, 2^nd number: 7 0/12

84/15 + 84/12 is 63/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   84/15 = 84 × 4/15 × 4 = 336/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   84/12 = 84 × 5/12 × 5 = 420/60
4. Add the two like fractions:
   336/60 + 420/60 = 336 + 420/60 = 756/60
5. 756/60 simplified gives 63/5
6. So, 84/15 + 84/12 = 63/5
   In mixed form: 123/5

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