Answers

Add 84/5 and 72/84

1^st number: 16 4/5, 2^nd number: 72/84

84/5 + 72/84 is 618/35.

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,
   72/84 = 72 × 5/84 × 5 = 360/420
4. Add the two like fractions:
   7056/420 + 360/420 = 7056 + 360/420 = 7416/420
5. 7416/420 simplified gives 618/35
6. So, 84/5 + 72/84 = 618/35
   In mixed form: 1723/35

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