$\frac{6}{7}$ + $\frac{7}{6}$ = ??? $\frac{9}{7}$ + $\frac{5}{3}$ = ??? 19/07/2021 Bởi Alexandra $\frac{6}{7}$ + $\frac{7}{6}$ = ??? $\frac{9}{7}$ + $\frac{5}{3}$ = ???
$\frac{6}{7}$+$\frac{7}{6}$ =$\frac{36}{42}$ +$\frac{49}{42}$ =$\frac{85}{42}$ $\frac{9}{7}$ +$\frac{5}{3}$ =$\frac{27}{21}$ + $\frac{35}{21}$ =$\frac{62}{21}$ Xin ctlhn Bình luận
6/7 + 7/6 =36/42 +49/42 =85/42
9/7 +5/3=27/21 +35/21=62/21
$\frac{6}{7}$+$\frac{7}{6}$ =$\frac{36}{42}$ +$\frac{49}{42}$ =$\frac{85}{42}$
$\frac{9}{7}$ +$\frac{5}{3}$ =$\frac{27}{21}$ + $\frac{35}{21}$ =$\frac{62}{21}$
Xin ctlhn