Answers

Add 54/2 and 70/80

1^st number: 27 0/2, 2^nd number: 70/80

54/2 + 70/80 is 223/8.

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,
   54/2 = 54 × 40/2 × 40 = 2160/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   70/80 = 70 × 1/80 × 1 = 70/80
4. Add the two like fractions:
   2160/80 + 70/80 = 2160 + 70/80 = 2230/80
5. 2230/80 simplified gives 223/8
6. So, 54/2 + 70/80 = 223/8
   In mixed form: 277/8

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