Answers

Add 7/63 and 81/24

1^st number: 7/63, 2^nd number: 3 9/24

7/63 + 81/24 is 251/72.

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,
   7/63 = 7 × 8/63 × 8 = 56/504
3. Likewise, for the 2nd fraction, since 24 × 21 = 504,
   81/24 = 81 × 21/24 × 21 = 1701/504
4. Add the two like fractions:
   56/504 + 1701/504 = 56 + 1701/504 = 1757/504
5. 1757/504 simplified gives 251/72
6. So, 7/63 + 81/24 = 251/72
   In mixed form: 335/72

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