Answers

Add 84/5 and 56/84

1^st number: 16 4/5, 2^nd number: 56/84

84/5 + 56/84 is 262/15.

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,
   56/84 = 56 × 5/84 × 5 = 280/420
4. Add the two like fractions:
   7056/420 + 280/420 = 7056 + 280/420 = 7336/420
5. 7336/420 simplified gives 262/15
6. So, 84/5 + 56/84 = 262/15
   In mixed form: 177/15

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