Divide:
[tex]\frac{5}{7}[/tex] : 3 = [tex]\frac{5}{7}[/tex] x [tex]\frac{1}{3}[/tex] = [tex]\frac{5x1}{7x3}[/tex] = [tex]\frac{5}{21}[/tex]
To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.
Result:
5/7 ÷ 3 = [tex]\frac{5}{21}[/tex]
≅ 0.2380952
Hope this helped