How to simplify 0.75 to 3 / 4 and 24 to 1 / 3

How to simplify 0.75 to 3 / 4 and 24 to 1 / 3

75 to 3 / 4
=3/4:3/4
=1
24 to 1 / 3
=24:1/3
=24*3
=72