Answers

Add 18/84 and 80/7

1^st number: 18/84, 2^nd number: 11 3/7

18/84 + 80/7 is 163/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   18/84 = 18 × 1/84 × 1 = 18/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   80/7 = 80 × 12/7 × 12 = 960/84
4. Add the two like fractions:
   18/84 + 960/84 = 18 + 960/84 = 978/84
5. 978/84 simplified gives 163/14
6. So, 18/84 + 80/7 = 163/14
   In mixed form: 119/14

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