a: =6x5/4=30/4=15/2
b: =8x7/12=56/12=14/3
c: =5x8/7=40/7
d: =15x3/5=9
a: =6x5/4=30/4=15/2
b: =8x7/12=56/12=14/3
c: =5x8/7=40/7
d: =15x3/5=9
\(a,6:\dfrac{4}{5}=6\text{×}\dfrac{5}{4}=\dfrac{30}{4}=\dfrac{15}{2}\)
\(b,8:\dfrac{12}{7}=8\text{×}\dfrac{7}{12}=\dfrac{56}{12}=\dfrac{14}{3}\)
\(c,5:\dfrac{7}{8}=5\text{×}\dfrac{8}{7}=\dfrac{40}{7}\)
\(d,15:\dfrac{5}{3}=15\text{×}\dfrac{3}{5}=\dfrac{45}{5}=9\)