Answers

Add 21/63 and 9/24

21/63 + 9/24 is 17/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 24 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   21/63 = 21 × 8/63 × 8 = 168/504
3. Likewise, for the 2nd fraction, since 24 × 21 = 504,
   9/24 = 9 × 21/24 × 21 = 189/504
4. Add the two like fractions:
   168/504 + 189/504 = 168 + 189/504 = 357/504
5. 357/504 simplified gives 17/24
6. So, 21/63 + 9/24 = 17/24

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