Answers

Add 54/36 and 42/18

1^st number: 1 18/36, 2^nd number: 2 6/18

54/36 + 42/18 is 23/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 18 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 36 × 1 = 36,
   54/36 = 54 × 1/36 × 1 = 54/36
3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
   42/18 = 42 × 2/18 × 2 = 84/36
4. Add the two like fractions:
   54/36 + 84/36 = 54 + 84/36 = 138/36
5. 138/36 simplified gives 23/6
6. So, 54/36 + 42/18 = 23/6
   In mixed form: 35/6

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