[tex] \frac{1}{4} * 3 \frac{6}{4} [/tex]
Convert mixed numbers to improper fractions:
[tex]= \frac{1}{4} * \frac{18}{4} [/tex]
Multiply fractions:
[tex]= \frac{18}{4*4} [/tex]
[tex]= \frac{18}{16} [/tex]
Cancel the common factor 2 :
[tex] \frac{18/2}{16/2} [/tex]
[tex]= \frac{9}{8} [/tex]
hope this helps!
