Answers

Add 84/24 and 63/54

1^st number: 3 12/24, 2^nd number: 1 9/54

84/24 + 63/54 is 14/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 54 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 24 × 9 = 216,
   84/24 = 84 × 9/24 × 9 = 756/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   63/54 = 63 × 4/54 × 4 = 252/216
4. Add the two like fractions:
   756/216 + 252/216 = 756 + 252/216 = 1008/216
5. 1008/216 simplified gives 14/3
6. So, 84/24 + 63/54 = 14/3
   In mixed form: 42/3

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