Answers

Add 6/4 and 42/81

1^st number: 1 2/4, 2^nd number: 42/81

6/4 + 42/81 is 109/54.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 4 × 81 = 324,
   6/4 = 6 × 81/4 × 81 = 486/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   42/81 = 42 × 4/81 × 4 = 168/324
4. Add the two like fractions:
   486/324 + 168/324 = 486 + 168/324 = 654/324
5. 654/324 simplified gives 109/54
6. So, 6/4 + 42/81 = 109/54
   In mixed form: 21/54

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