3/5 divided by 7

3/5 ÷ 7

Turn 7 into a fraction

3/5 ÷ 7/1

Use the recipricle and multiply

3/5 x 1/7

Multiply across

3/35

And that's it! :)

P.S labby is correct, but you usually stop if you can't simplify it any more

$${\frac{{\frac{{\mathtt{3}}}{{\mathtt{5}}}}}{{\mathtt{7}}}} = {\frac{{\mathtt{3}}}{{\mathtt{35}}}} = {\mathtt{0.085\: \!714\: \!285\: \!714\: \!285\: \!7}}$$