Answers

Add 80/18 and 63/10

1^st number: 4 8/18, 2^nd number: 6 3/10

80/18 + 63/10 is 967/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 10 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 18 × 5 = 90,
   80/18 = 80 × 5/18 × 5 = 400/90
3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
   63/10 = 63 × 9/10 × 9 = 567/90
4. Add the two like fractions:
   400/90 + 567/90 = 400 + 567/90 = 967/90
5. So, 80/18 + 63/10 = 967/90
   In mixed form: 1067/90

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