Answers

Add 20/2 and 54/80

1^st number: 10 0/2, 2^nd number: 54/80

20/2 + 54/80 is 427/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 2 × 40 = 80,
   20/2 = 20 × 40/2 × 40 = 800/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   54/80 = 54 × 1/80 × 1 = 54/80
4. Add the two like fractions:
   800/80 + 54/80 = 800 + 54/80 = 854/80
5. 854/80 simplified gives 427/40
6. So, 20/2 + 54/80 = 427/40
   In mixed form: 1027/40

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