Answers

Add 81/12 and 28/56

1^st number: 6 9/12, 2^nd number: 28/56

81/12 + 28/56 is 29/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 12 × 14 = 168,
   81/12 = 81 × 14/12 × 14 = 1134/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   28/56 = 28 × 3/56 × 3 = 84/168
4. Add the two like fractions:
   1134/168 + 84/168 = 1134 + 84/168 = 1218/168
5. 1218/168 simplified gives 29/4
6. So, 81/12 + 28/56 = 29/4
   In mixed form: 71/4

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