Answers

Add 84/5 and 28/84

1^st number: 16 4/5, 2^nd number: 28/84

84/5 + 28/84 is 257/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 5 × 84 = 420,
   84/5 = 84 × 84/5 × 84 = 7056/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   28/84 = 28 × 5/84 × 5 = 140/420
4. Add the two like fractions:
   7056/420 + 140/420 = 7056 + 140/420 = 7196/420
5. 7196/420 simplified gives 257/15
6. So, 84/5 + 28/84 = 257/15
   In mixed form: 172/15

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