You could write it as 20/1 but I can think of few things that are as pointless!
11 1/2
12 and 1/2
2 and 1/100
3/2
2 and 3 over 10
2 2/3
change 335/4 to a mixed number
Changing mixed numbers percents. First change the mixed number to a decimal then change the decimal to a percent.
Change them into improper fractions. Invert the second fraction and multiply them together. Reduce if necessary.
2 and 1/4
3 and 2/3
3 and 2/5