How can you convert a mixed number to an improper fraction

a) 1[tex]\frac{5}{9}[/tex]
b) 2[tex]\frac{2}{7}[/tex]
e) 2[tex]\frac{3}{6}[/tex]
f) 3[tex]\frac{2}{7}[/tex]
I hope I helped you. I will be really happy, If you mark my answer as the brainliest.Your David