Answers

Add 72/54 and 9/36

1^st number: 1 18/54, 2^nd number: 9/36

72/54 + 9/36 is 19/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 36 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 54 × 2 = 108,
   72/54 = 72 × 2/54 × 2 = 144/108
3. Likewise, for the 2nd fraction, since 36 × 3 = 108,
   9/36 = 9 × 3/36 × 3 = 27/108
4. Add the two like fractions:
   144/108 + 27/108 = 144 + 27/108 = 171/108
5. 171/108 simplified gives 19/12
6. So, 72/54 + 9/36 = 19/12
   In mixed form: 17/12

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