Answers

Add 28/12 and 15/84

1^st number: 2 4/12, 2^nd number: 15/84

28/12 + 15/84 is 211/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   28/12 = 28 × 7/12 × 7 = 196/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   15/84 = 15 × 1/84 × 1 = 15/84
4. Add the two like fractions:
   196/84 + 15/84 = 196 + 15/84 = 211/84
5. So, 28/12 + 15/84 = 211/84
   In mixed form: 243/84

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