Answers

Add 12/84 and 80/18

1^st number: 12/84, 2^nd number: 4 8/18

12/84 + 80/18 is 289/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   12/84 = 12 × 3/84 × 3 = 36/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   80/18 = 80 × 14/18 × 14 = 1120/252
4. Add the two like fractions:
   36/252 + 1120/252 = 36 + 1120/252 = 1156/252
5. 1156/252 simplified gives 289/63
6. So, 12/84 + 80/18 = 289/63
   In mixed form: 437/63

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