Answers

Add 18/15 and 1/90

1^st number: 1 3/15, 2^nd number: 1/90

18/15 + 1/90 is 109/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 15 × 6 = 90,
   18/15 = 18 × 6/15 × 6 = 108/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   1/90 = 1 × 1/90 × 1 = 1/90
4. Add the two like fractions:
   108/90 + 1/90 = 108 + 1/90 = 109/90
5. So, 18/15 + 1/90 = 109/90
   In mixed form: 119/90

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