Answers

Add 2/63 and 90/8

1^st number: 2/63, 2^nd number: 11 2/8

2/63 + 90/8 is 2843/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 8 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   2/63 = 2 × 8/63 × 8 = 16/504
3. Likewise, for the 2nd fraction, since 8 × 63 = 504,
   90/8 = 90 × 63/8 × 63 = 5670/504
4. Add the two like fractions:
   16/504 + 5670/504 = 16 + 5670/504 = 5686/504
5. 5686/504 simplified gives 2843/252
6. So, 2/63 + 90/8 = 2843/252
   In mixed form: 1171/252

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