find what fractional part the first number is of the second

15;30 18;40 12;28 50;60 thank,jessica

8 answers

Just reduce each..15/30=1/2 and so on
What is 18;40 reduced
i dont know xd xd xd xd
how do you find part the first number is of the second
12;28
18;40
12;28
what is 9;21