Answers

Add 35/80 and 28/10

1^st number: 35/80, 2^nd number: 2 8/10

35/80 + 28/10 is 259/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 10 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   35/80 = 35 × 1/80 × 1 = 35/80
3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
   28/10 = 28 × 8/10 × 8 = 224/80
4. Add the two like fractions:
   35/80 + 224/80 = 35 + 224/80 = 259/80
5. So, 35/80 + 28/10 = 259/80
   In mixed form: 319/80

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