Answers

Add 60/72 and 45/12

1^st number: 60/72, 2^nd number: 3 9/12

60/72 + 45/12 is 55/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 12 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   60/72 = 60 × 1/72 × 1 = 60/72
3. Likewise, for the 2nd fraction, since 12 × 6 = 72,
   45/12 = 45 × 6/12 × 6 = 270/72
4. Add the two like fractions:
   60/72 + 270/72 = 60 + 270/72 = 330/72
5. 330/72 simplified gives 55/12
6. So, 60/72 + 45/12 = 55/12
   In mixed form: 47/12

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