Answer :

[tex]75/2.4=31.25\ or\ 31 \frac{1}{4} [/tex]
75 ÷ 2.4 =
= 75 ÷ 2 4/10 =
= 75 ÷ 2 2/5 =
= 75 ÷ 12/5 =
= 75 * 5/12 =
= 375/12 =
= 31 3/12 =
= 31 1/4 =
= 31.25

Just remember that dividing two fractions is as much as multiplying the same fraction by an inverse of the another one.