Question

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Answer 1

$1 frac{1}{9} + 2,75 + frac{1}{3} = frac{10}{9} + frac{275}{100} + frac{1}{3} = frac{10}{9} + frac{11}{4} frac{1}{3} = frac{40 + 99 + 12}{36} = frac{151}{36} = 4 frac{7}{36}$

$8,5 + frac{5}{6} - 6,25 = 2,25 + frac{5}{6} = frac{9}{4} + frac{5}{6}=frac{27+10}{12} = frac{37}{12} = 3 frac{1}{12}$