Answers

Add 18/90 and 80/30

1^st number: 18/90, 2^nd number: 2 20/30

18/90 + 80/30 is 43/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 30 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   18/90 = 18 × 1/90 × 1 = 18/90
3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
   80/30 = 80 × 3/30 × 3 = 240/90
4. Add the two like fractions:
   18/90 + 240/90 = 18 + 240/90 = 258/90
5. 258/90 simplified gives 43/15
6. So, 18/90 + 80/30 = 43/15
   In mixed form: 213/15

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