Answers

Add 63/10 and 20/80

1^st number: 6 3/10, 2^nd number: 20/80

63/10 + 20/80 is 131/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 10 × 8 = 80,
   63/10 = 63 × 8/10 × 8 = 504/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   20/80 = 20 × 1/80 × 1 = 20/80
4. Add the two like fractions:
   504/80 + 20/80 = 504 + 20/80 = 524/80
5. 524/80 simplified gives 131/20
6. So, 63/10 + 20/80 = 131/20
   In mixed form: 611/20

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