Find the ratio of the first number to the second number and simplify 4.8 and 6.4?

ratio = 4.8/6.4

multiply top and bottom by 10 to get rid of decimal point = 48/64

reduce

48 and 64 are both divisible by 8 = (48 divided by 8)/(64 divided by 8)

6 / 8

6 and 8 are both divisible by 2 = (6 divided by 2)/(8 divided by 2)

3/4