Answers

Add 80/84 and 28/27

1^st number: 80/84, 2^nd number: 1 1/27

80/84 + 28/27 is 376/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   80/84 = 80 × 9/84 × 9 = 720/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   28/27 = 28 × 28/27 × 28 = 784/756
4. Add the two like fractions:
   720/756 + 784/756 = 720 + 784/756 = 1504/756
5. 1504/756 simplified gives 376/189
6. So, 80/84 + 28/27 = 376/189
   In mixed form: 1187/189

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