Answers

Add 9/36 and 20/63

9/36 + 20/63 is 143/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 36 × 7 = 252,
   9/36 = 9 × 7/36 × 7 = 63/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   20/63 = 20 × 4/63 × 4 = 80/252
4. Add the two like fractions:
   63/252 + 80/252 = 63 + 80/252 = 143/252
5. So, 9/36 + 20/63 = 143/252

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