\(=\dfrac{2}{3}-\dfrac{4}{7}=\dfrac{14}{12}-\dfrac{12}{21}=\dfrac{2}{21}\)
8/9 : 4/3 - 4/7 =8/9x3/4-4/7=2/3-4/7=14/21-12-21=2/21
\(\dfrac{8}{9}:\dfrac{4}{3}-\dfrac{4}{7}=\dfrac{8}{9}\times\dfrac{3}{4}-\dfrac{4}{7}=\dfrac{24}{36}-\dfrac{4}{7}=\dfrac{2}{3}-\dfrac{4}{7}=\dfrac{14}{21}-\dfrac{12}{21}=\dfrac{2}{21}\)
\(\dfrac{8}{9}\times\dfrac{3}{4}-\dfrac{4}{7}=\dfrac{2}{3}-\dfrac{4}{7}=\dfrac{14}{21}-\dfrac{12}{21}=\dfrac{2}{21}\)
8/9 : 4/3 - 4/7
= 8/9 x 3/4 - 4/7
= 2/3 - 4/7
= 2/21
\(\dfrac{8}{9}:\dfrac{4}{3}-\dfrac{4}{7}=\dfrac{8}{9}\times\dfrac{3}{4}-\dfrac{4}{7}=\dfrac{2}{3}-\dfrac{4}{7}=\dfrac{2}{21}\)
\(\left(\dfrac{8}{9}:\dfrac{4}{3}\right)-\dfrac{4}{7}=\left(\dfrac{8}{9}\times\dfrac{3}{4}\right)-\dfrac{4}{7}=\dfrac{24}{36}-\dfrac{4}{7}=\dfrac{2}{3}-\dfrac{4}{7}=\dfrac{14}{21}-\dfrac{12}{21}=\dfrac{2}{21}\)