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Question 1

Question 2

1.
$\frac{40}{10}=4$
$\frac{9}{5}=1 \frac{4}{5}$
$\frac{22}{11} =2$
$\frac{11}{8} =1 \frac{3}{8}$
$\frac{19}{6}=3 \frac{1}{6}$
$\frac{14}{11}=1 \frac{3}{11}$
2.
$1 \frac{9}{14}= \frac{23}{14}$
$2 \frac{3}{11}= \frac{25}{11}$
$5 \frac{7}{100}= \frac{507}{100}$
$1\frac{4}{7}= \frac{11}{7}$
$4 \frac{7}{10}= \frac{47}{10}$
$2 \frac{4}{13}= \frac{30}{13}$
3.
$\frac{3}{4}+ \frac{2}{3}= \frac{9+8}{12}= \frac{17}{12}=1 \frac{5}{12}$
$\frac{3}{10}+ \frac{2}{15}= \frac{9+4}{30}= \frac{13}{30}$
$\frac{4}{9}+ \frac{1}{6}= \frac{8+3}{18}= \frac{11}{18}$
$\frac{7}{15}+ \frac{3}{40}= \frac{56+12}{120}= \frac{68}{120}= \frac{17}{30}$
$\frac{6}{7}- \frac{2}{3}= \frac{18-14}{21}= \frac{4}{21}$
$\frac{11}{12}- \frac{5}{6}= \frac{11-10}{12}= \frac{1}{12}$
$\frac{7}{12}- \frac{3}{8}= \frac{14-9}{24}= \frac{5}{24}$
$\frac{4}{5}- \frac{3}{10}= \frac{8-3}{10}= \frac{5}{10}= \frac{1}{2}$
4.
$4 \frac{5}{6}+2 \frac{3}{8}= \frac{29}{6}+ \frac{19}{8}= \frac{116+57}{24}= \frac{173}{24}=7 \frac{5}{24}$
$7 \frac{5}{18}-1 \frac{7}{12}= \frac{131}{18}- \frac{19}{12}= \frac{262-57}{36}= \frac{205}{36}=5 \frac{25}{36}$
$3 \frac{4}{9}+2 \frac{2}{7}= \frac{31}{9} + \frac{16}{7}= \frac{217+144}{63}= \frac{361}{63}=5 \frac{46}{63}$
$5 \frac{3}{14}-1 \frac{1}{21}= \frac{73}{14}- \frac{22}{21}= \frac{219-44}{42}= \frac{175}{44}=3 \frac{43}{44}$
$1- \frac{5}{8}= \frac{8-5}{8}= \frac{3}{8}$
$8-4 \frac{7}{8}= \frac{64-39}{8}= \frac{25}{8}=3 \frac{1}{8}$
$6- \frac{2}{5}= \frac{30-2}{5}= \frac{28}{5}=5 \frac{3}{5}$
$10-1 \frac{1}{9}= \frac{90}{9}- \frac{10}{9}= \frac{80}{9}=8 \frac{8}{9}$

Question 3

огромное огромное спасибо