Answers

Add 56/63 and 21/24

56/63 + 21/24 is 127/72.

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,
   56/63 = 56 × 8/63 × 8 = 448/504
3. Likewise, for the 2nd fraction, since 24 × 21 = 504,
   21/24 = 21 × 21/24 × 21 = 441/504
4. Add the two like fractions:
   448/504 + 441/504 = 448 + 441/504 = 889/504
5. 889/504 simplified gives 127/72
6. So, 56/63 + 21/24 = 127/72
   In mixed form: 155/72

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