Answers

Add 72/60 and 54/5

1^st number: 1 12/60, 2^nd number: 10 4/5

72/60 + 54/5 is 12/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 5 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   72/60 = 72 × 1/60 × 1 = 72/60
3. Likewise, for the 2nd fraction, since 5 × 12 = 60,
   54/5 = 54 × 12/5 × 12 = 648/60
4. Add the two like fractions:
   72/60 + 648/60 = 72 + 648/60 = 720/60
5. 720/60 simplified gives 12/1
6. So, 72/60 + 54/5 = 12/1

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