№194,195,196. сделайте пожалуйста

194
1) $8:3= \frac{8}{3} =2\frac{2}{3}$
2) $57:9= \frac{57}{9} = \frac{19}{3} =6 \frac{1}{3}$
3) $98:15= \frac{98}{15} =6 \frac{8}{15}$
195
1) $2 \frac{1}{3} = \frac{2*3+1}{3} = \frac{6+1}{3} = \frac{7}{3}$
2) $4 \frac{3}{5} = \frac{4*5+3}{5} = \frac{20+3}{5} = \frac{23}{5}$
3) $3 \frac{9}{10} = \frac{3*10+9}{10} = \frac{30+9}{10} = \frac{39}{10}$
196
1) $7+ \frac{8}{19}= \frac{133+8}{19} = \frac{141}{19} =7 \frac{8}{19}$
2) $\frac{8}{68} +9= \frac{2}{17} +9= \frac{2+153}{17} = \frac{155}{17} =9 \frac{2}{17}$
3) $3 \frac{5}{16} +4 \frac{7}{16} =(3+4)+( \frac{5}{16}+ \frac{7}{16} )=7+ \frac{5+7}{16}=7+ \frac{12}{16}=7+ \frac{3}{4}=7 \frac{3}{4}$
4) $12 \frac{8}{13}-8 \frac{4}{13}= \frac{164}{13}- \frac{108}{13}= \frac{164-108}{13}= \frac{56}{13}=4 \frac{4}{13}$
5) $5 \frac{17}{21}-3\frac{8}{21}+4\frac{7}{21}=\frac{122}{21}-\frac{71}{21}+\frac{91}{21}= \frac{122-71+91}{21}=\frac{142}{21}=6\frac{16}{21}$
6) $14\frac{8}{10}+5\frac{1}{10}-6\frac{7}{10}=\frac{148}{10}+\frac{51}{10}-\frac{67}{10}= \frac{148+51-67}{10}=\frac{132}{10}=13.2$