Answers

Add 72/10 and 28/60

1^st number: 7 2/10, 2^nd number: 28/60

72/10 + 28/60 is 23/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 10 × 6 = 60,
   72/10 = 72 × 6/10 × 6 = 432/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   28/60 = 28 × 1/60 × 1 = 28/60
4. Add the two like fractions:
   432/60 + 28/60 = 432 + 28/60 = 460/60
5. 460/60 simplified gives 23/3
6. So, 72/10 + 28/60 = 23/3
   In mixed form: 72/3

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