Answers

Add 54/90 and 42/18

1^st number: 54/90, 2^nd number: 2 6/18

54/90 + 42/18 is 44/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 18 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   54/90 = 54 × 1/90 × 1 = 54/90
3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
   42/18 = 42 × 5/18 × 5 = 210/90
4. Add the two like fractions:
   54/90 + 210/90 = 54 + 210/90 = 264/90
5. 264/90 simplified gives 44/15
6. So, 54/90 + 42/18 = 44/15
   In mixed form: 214/15

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