Answers

Add 42/12 and 54/81

1^st number: 3 6/12, 2^nd number: 54/81

42/12 + 54/81 is 25/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 12 × 27 = 324,
   42/12 = 42 × 27/12 × 27 = 1134/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   54/81 = 54 × 4/81 × 4 = 216/324
4. Add the two like fractions:
   1134/324 + 216/324 = 1134 + 216/324 = 1350/324
5. 1350/324 simplified gives 25/6
6. So, 42/12 + 54/81 = 25/6
   In mixed form: 41/6

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