Answers

Add 21/63 and 24/56

21/63 + 24/56 is 16/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 56 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 56 × 9 = 504,
   24/56 = 24 × 9/56 × 9 = 216/504
4. Add the two like fractions:
   168/504 + 216/504 = 168 + 216/504 = 384/504
5. 384/504 simplified gives 16/21
6. So, 21/63 + 24/56 = 16/21

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