Answers

Add 42/84 and 28/27

1^st number: 42/84, 2^nd number: 1 1/27

42/84 + 28/27 is 83/54.

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,
   42/84 = 42 × 9/84 × 9 = 378/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   28/27 = 28 × 28/27 × 28 = 784/756
4. Add the two like fractions:
   378/756 + 784/756 = 378 + 784/756 = 1162/756
5. 1162/756 simplified gives 83/54
6. So, 42/84 + 28/27 = 83/54
   In mixed form: 129/54

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