Answers

Add 15/8 and 8/63

1^st number: 1 7/8, 2^nd number: 8/63

15/8 + 8/63 is 1009/504.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 63 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 8 × 63 = 504,
   15/8 = 15 × 63/8 × 63 = 945/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   8/63 = 8 × 8/63 × 8 = 64/504
4. Add the two like fractions:
   945/504 + 64/504 = 945 + 64/504 = 1009/504
5. So, 15/8 + 8/63 = 1009/504
   In mixed form: 21/504

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