Answers

Add 20/63 and 12/64

20/63 + 12/64 is 509/1008.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 64 is 4032
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4032
2. For the 1st fraction, since 63 × 64 = 4032,
   20/63 = 20 × 64/63 × 64 = 1280/4032
3. Likewise, for the 2nd fraction, since 64 × 63 = 4032,
   12/64 = 12 × 63/64 × 63 = 756/4032
4. Add the two like fractions:
   1280/4032 + 756/4032 = 1280 + 756/4032 = 2036/4032
5. 2036/4032 simplified gives 509/1008
6. So, 20/63 + 12/64 = 509/1008

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