Answers

Add 18/63 and 21/32

18/63 + 21/32 is 211/224.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 32 is 2016
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2016
2. For the 1st fraction, since 63 × 32 = 2016,
   18/63 = 18 × 32/63 × 32 = 576/2016
3. Likewise, for the 2nd fraction, since 32 × 63 = 2016,
   21/32 = 21 × 63/32 × 63 = 1323/2016
4. Add the two like fractions:
   576/2016 + 1323/2016 = 576 + 1323/2016 = 1899/2016
5. 1899/2016 simplified gives 211/224
6. So, 18/63 + 21/32 = 211/224

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