Answers

Add 27/90 and 42/18

1^st number: 27/90, 2^nd number: 2 6/18

27/90 + 42/18 is 79/30.

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,
   27/90 = 27 × 1/90 × 1 = 27/90
3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
   42/18 = 42 × 5/18 × 5 = 210/90
4. Add the two like fractions:
   27/90 + 210/90 = 27 + 210/90 = 237/90
5. 237/90 simplified gives 79/30
6. So, 27/90 + 42/18 = 79/30
   In mixed form: 219/30

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