A mixed number consists of a whole number and a fraction.
23.7523 will be the whole number.
0.75 will be the fraction.
To convert 0.75 into a fraction, set it over 100 and simplify.
[tex] \frac{75}{100} = \frac{75:25}{100:25} = \frac{3}{4} [/tex]
[tex]23 \frac{3}{4} [/tex]