Which fraction is the smallest?

GAME INFO
Educational maths game with fractions: sort the fractions from smallest to largest. A total of 16 fractions appear on the screen. You must click on the smallest fraction that appears. If you are correct, the fraction disappears, and you must find the next smallest fraction. If you are in doubt, you should do some calculations, using the least common multiple to compare them. You can also use fraction representation - can you click on the smallest fraction without getting it wrong?