Answers

Add 84/60 and 12/18

1^st number: 1 24/60, 2^nd number: 12/18

84/60 + 12/18 is 31/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 18 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   84/60 = 84 × 3/60 × 3 = 252/180
3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
   12/18 = 12 × 10/18 × 10 = 120/180
4. Add the two like fractions:
   252/180 + 120/180 = 252 + 120/180 = 372/180
5. 372/180 simplified gives 31/15
6. So, 84/60 + 12/18 = 31/15
   In mixed form: 21/15

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