Answers

Add 54/10 and 5/80

1^st number: 5 4/10, 2^nd number: 5/80

54/10 + 5/80 is 437/80.

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,
   54/10 = 54 × 8/10 × 8 = 432/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   5/80 = 5 × 1/80 × 1 = 5/80
4. Add the two like fractions:
   432/80 + 5/80 = 432 + 5/80 = 437/80
5. So, 54/10 + 5/80 = 437/80
   In mixed form: 537/80

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