One third
No, -5/6 cannot equal 15/20 (which is really 3/4)
fifteen
One half
525
yes
3/100
6/15
Expressed as a decimal fraction, five percent is equal to 0.05. Expressed as a vulgar fraction in its simplest form, five percent is equal to 1/20, or one twentieth.
10/2
5 8/15 = 83/15
They are: 1/3 and 10/30