Answers

Add 28/90 and 15/18

28/90 + 15/18 is 103/90.

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,
   28/90 = 28 × 1/90 × 1 = 28/90
3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
   15/18 = 15 × 5/18 × 5 = 75/90
4. Add the two like fractions:
   28/90 + 75/90 = 28 + 75/90 = 103/90
5. So, 28/90 + 15/18 = 103/90
   In mixed form: 113/90

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