Answers

Add 80/84 and 42/6

1^st number: 80/84, 2^nd number: 7 0/6

80/84 + 42/6 is 167/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 6 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   80/84 = 80 × 1/84 × 1 = 80/84
3. Likewise, for the 2nd fraction, since 6 × 14 = 84,
   42/6 = 42 × 14/6 × 14 = 588/84
4. Add the two like fractions:
   80/84 + 588/84 = 80 + 588/84 = 668/84
5. 668/84 simplified gives 167/21
6. So, 80/84 + 42/6 = 167/21
   In mixed form: 720/21

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