Answers

Add 80/28 and 84/81

1^st number: 2 24/28, 2^nd number: 1 3/81

80/28 + 84/81 is 736/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 28 × 81 = 2268,
   80/28 = 80 × 81/28 × 81 = 6480/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   84/81 = 84 × 28/81 × 28 = 2352/2268
4. Add the two like fractions:
   6480/2268 + 2352/2268 = 6480 + 2352/2268 = 8832/2268
5. 8832/2268 simplified gives 736/189
6. So, 80/28 + 84/81 = 736/189
   In mixed form: 3169/189

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