Could someone help me please

4/5 simplified to:

1/4 simplified to:

4/10 simplified to:

1/3 simplified to:

2 1/4 simplified to:

7/5 simplified to:

5/16 simplified to:

1/9 simplified to:


A word problem:

Jionne scores a 15/20 on her quiz. What percentage is this in simplest form. (Hint: Convert the ratio to a decimal, then convert the the decimal to a percent.)

I'll give whoever answers first a brainilest. Thank you for your help.

:)