Answers

Add 84/12 and 54/9

1^st number: 7 0/12, 2^nd number: 6 0/9

84/12 + 54/9 is 13/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 9 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 12 × 3 = 36,
   84/12 = 84 × 3/12 × 3 = 252/36
3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
   54/9 = 54 × 4/9 × 4 = 216/36
4. Add the two like fractions:
   252/36 + 216/36 = 252 + 216/36 = 468/36
5. 468/36 simplified gives 13/1
6. So, 84/12 + 54/9 = 13/1

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