Answers

Add 18/3 and 42/81

1^st number: 6 0/3, 2^nd number: 42/81

18/3 + 42/81 is 176/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 81 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 3 × 27 = 81,
   18/3 = 18 × 27/3 × 27 = 486/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   42/81 = 42 × 1/81 × 1 = 42/81
4. Add the two like fractions:
   486/81 + 42/81 = 486 + 42/81 = 528/81
5. 528/81 simplified gives 176/27
6. So, 18/3 + 42/81 = 176/27
   In mixed form: 614/27

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