Answers

Add 15/84 and 80/5

1^st number: 15/84, 2^nd number: 16 0/5

15/84 + 80/5 is 453/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 5 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   15/84 = 15 × 5/84 × 5 = 75/420
3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
   80/5 = 80 × 84/5 × 84 = 6720/420
4. Add the two like fractions:
   75/420 + 6720/420 = 75 + 6720/420 = 6795/420
5. 6795/420 simplified gives 453/28
6. So, 15/84 + 80/5 = 453/28
   In mixed form: 165/28

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