Answers

Add 15/18 and 45/4

1^st number: 15/18, 2^nd number: 11 1/4

15/18 + 45/4 is 145/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 4 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 18 × 2 = 36,
   15/18 = 15 × 2/18 × 2 = 30/36
3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
   45/4 = 45 × 9/4 × 9 = 405/36
4. Add the two like fractions:
   30/36 + 405/36 = 30 + 405/36 = 435/36
5. 435/36 simplified gives 145/12
6. So, 15/18 + 45/4 = 145/12
   In mixed form: 121/12

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