Answers

Add 75/54 and 45/12

1^st number: 1 21/54, 2^nd number: 3 9/12

75/54 + 45/12 is 185/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 12 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 54 × 2 = 108,
   75/54 = 75 × 2/54 × 2 = 150/108
3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
   45/12 = 45 × 9/12 × 9 = 405/108
4. Add the two like fractions:
   150/108 + 405/108 = 150 + 405/108 = 555/108
5. 555/108 simplified gives 185/36
6. So, 75/54 + 45/12 = 185/36
   In mixed form: 55/36

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