Answers

Add 75/30 and 18/90

1^st number: 2 15/30, 2^nd number: 18/90

75/30 + 18/90 is 27/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 30 × 3 = 90,
   75/30 = 75 × 3/30 × 3 = 225/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   18/90 = 18 × 1/90 × 1 = 18/90
4. Add the two like fractions:
   225/90 + 18/90 = 225 + 18/90 = 243/90
5. 243/90 simplified gives 27/10
6. So, 75/30 + 18/90 = 27/10
   In mixed form: 27/10

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