Answers

Add 20/63 and 36/12

1^st number: 20/63, 2^nd number: 3 0/12

20/63 + 36/12 is 209/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 12 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   20/63 = 20 × 4/63 × 4 = 80/252
3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
   36/12 = 36 × 21/12 × 21 = 756/252
4. Add the two like fractions:
   80/252 + 756/252 = 80 + 756/252 = 836/252
5. 836/252 simplified gives 209/63
6. So, 20/63 + 36/12 = 209/63
   In mixed form: 320/63

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