Answers

Add 42/12 and 48/81

1^st number: 3 6/12, 2^nd number: 48/81

42/12 + 48/81 is 221/54.

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,
   48/81 = 48 × 4/81 × 4 = 192/324
4. Add the two like fractions:
   1134/324 + 192/324 = 1134 + 192/324 = 1326/324
5. 1326/324 simplified gives 221/54
6. So, 42/12 + 48/81 = 221/54
   In mixed form: 45/54

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