Answers

Add 84/56 and 15/12

1^st number: 1 28/56, 2^nd number: 1 3/12

84/56 + 15/12 is 11/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 12 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   84/56 = 84 × 3/56 × 3 = 252/168
3. Likewise, for the 2nd fraction, since 12 × 14 = 168,
   15/12 = 15 × 14/12 × 14 = 210/168
4. Add the two like fractions:
   252/168 + 210/168 = 252 + 210/168 = 462/168
5. 462/168 simplified gives 11/4
6. So, 84/56 + 15/12 = 11/4
   In mixed form: 23/4

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