Answers

Add 72/60 and 42/5

1^st number: 1 12/60, 2^nd number: 8 2/5

72/60 + 42/5 is 48/5.

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,
   42/5 = 42 × 12/5 × 12 = 504/60
4. Add the two like fractions:
   72/60 + 504/60 = 72 + 504/60 = 576/60
5. 576/60 simplified gives 48/5
6. So, 72/60 + 42/5 = 48/5
   In mixed form: 93/5

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