Which of the following lists is in order from smallest to largest?

a) ½, ⁷/11, ⅝, ⅔
b) ½, ⅔, ⅝, ⁷/11
c) ½, ⅝, ⁷/11, ⅔
d) ⁷/11, ½, ⅝, ⅔​