Question

помогите с примерами(дробы)
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Answer 1

Ответ:

$1)\ 9+\dfrac{3}{17}=\boxed{9\dfrac{3}{17}};\\\\2)\ \dfrac{9}{72}+5=5\dfrac{9}{72}=5\dfrac{1}{8}=\boxed{5,125};\\\\3)\ 4\dfrac{5}{18}+2\dfrac{4}{18}=6\dfrac{5+4}{18}=6\dfrac{9}{18}=6\dfrac{1}{2}=\boxed{6,5};$

$4)\ 6\dfrac{7}{15}-2\dfrac{3}{15}=4\dfrac{7-3}{15}=\boxed{4\dfrac{4}{15}};\\\\5)\ 9\dfrac{11}{16}+4\dfrac{3}{16}-2\dfrac{2}{16}=11\dfrac{11+3-2}{16}=11\dfrac{12}{16}=11\dfrac{3}{4}=\boxed{11,75};\\\\6)\ 15\dfrac{7}{10}+2\dfrac{2}{10} -4\dfrac{1}{10}=13\dfrac{7+2-1}{10}=13\dfrac{8}{10}=13\dfrac{4}{5}=\boxed{13,8}.$

Answer 2

Вот. Вроде так. Там кое-где сократила.