Answers

Add 18/12 and 10/20

1^st number: 1 6/12, 2^nd number: 10/20

18/12 + 10/20 is 2/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 20 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 12 × 5 = 60,
   18/12 = 18 × 5/12 × 5 = 90/60
3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
   10/20 = 10 × 3/20 × 3 = 30/60
4. Add the two like fractions:
   90/60 + 30/60 = 90 + 30/60 = 120/60
5. 120/60 simplified gives 2/1
6. So, 18/12 + 10/20 = 2/1

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