Answers

Add 20/12 and 9/24

1^st number: 1 8/12, 2^nd number: 9/24

20/12 + 9/24 is 49/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 24 is 24
   
   Next, find the equivalent fraction of both fractional numbers with denominator 24
2. For the 1st fraction, since 12 × 2 = 24,
   20/12 = 20 × 2/12 × 2 = 40/24
3. Likewise, for the 2nd fraction, since 24 × 1 = 24,
   9/24 = 9 × 1/24 × 1 = 9/24
4. Add the two like fractions:
   40/24 + 9/24 = 40 + 9/24 = 49/24
5. So, 20/12 + 9/24 = 49/24
   In mixed form: 21/24

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