Answers

Add 80/63 and 4/8

1^st number: 1 17/63, 2^nd number: 4/8

80/63 + 4/8 is 223/126.

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,
   80/63 = 80 × 8/63 × 8 = 640/504
3. Likewise, for the 2nd fraction, since 8 × 63 = 504,
   4/8 = 4 × 63/8 × 63 = 252/504
4. Add the two like fractions:
   640/504 + 252/504 = 640 + 252/504 = 892/504
5. 892/504 simplified gives 223/126
6. So, 80/63 + 4/8 = 223/126
   In mixed form: 197/126

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