Answers

Add 28/5 and 72/60

1^st number: 5 3/5, 2^nd number: 1 12/60

28/5 + 72/60 is 34/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 5 × 12 = 60,
   28/5 = 28 × 12/5 × 12 = 336/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   72/60 = 72 × 1/60 × 1 = 72/60
4. Add the two like fractions:
   336/60 + 72/60 = 336 + 72/60 = 408/60
5. 408/60 simplified gives 34/5
6. So, 28/5 + 72/60 = 34/5
   In mixed form: 64/5

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