Answers

Add 84/60 and 45/12

1^st number: 1 24/60, 2^nd number: 3 9/12

84/60 + 45/12 is 103/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   84/60 = 84 × 1/60 × 1 = 84/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   45/12 = 45 × 5/12 × 5 = 225/60
4. Add the two like fractions:
   84/60 + 225/60 = 84 + 225/60 = 309/60
5. 309/60 simplified gives 103/20
6. So, 84/60 + 45/12 = 103/20
   In mixed form: 53/20

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