multiply the whole number (3) by the denominator (4), then add the numerator (3) then put that over the denominator to convert any mixed number into an improper fraction.
Do the denominator times the whole number. Then add the numerator as well. Next that answer is your numerator and then you add the denominator of the fraction to the improper fraction
Sure, I have this strategy to make a sheet with questions of that chapter and do that before I study the chapter so I can see if I know a little or a lot of that chapter