Which of these numbers is between 1/3 and 87/100

Question

Which of these numbers is between  1/3 and 87/100 on a number line

Answer 1

3/8, 1/2, 2/3, 3/4 are all in between 1/3 and 87/100

cross multiply

1/2 > 1/3 because 3(1)>2(1)

1/2 < 87/100 because (100)(1) < 87(2)

do that to compare any two fractions