Answers

Add 2/63 and 9/20

2/63 + 9/20 is 607/1260.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 20 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   2/63 = 2 × 20/63 × 20 = 40/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   9/20 = 9 × 63/20 × 63 = 567/1260
4. Add the two like fractions:
   40/1260 + 567/1260 = 40 + 567/1260 = 607/1260
5. So, 2/63 + 9/20 = 607/1260

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