Answers

Add 84/54 and 45/12

1^st number: 1 30/54, 2^nd number: 3 9/12

84/54 + 45/12 is 191/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 12 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 54 × 2 = 108,
   84/54 = 84 × 2/54 × 2 = 168/108
3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
   45/12 = 45 × 9/12 × 9 = 405/108
4. Add the two like fractions:
   168/108 + 405/108 = 168 + 405/108 = 573/108
5. 573/108 simplified gives 191/36
6. So, 84/54 + 45/12 = 191/36
   In mixed form: 511/36

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