It is: 18/90 = 1/5
5/9
84 over 90 simplified = 14/15
11/90. It cannot be further simplified.
It is: 24/90 = 4/15 simplified
It is: 90/96 = 15/16 simplified
no
49/90 cannot be simplified.
90/1,000 = 9/100
90/100 = 9/10
8 over 45
They can both be simplified to the same fraction, 1/3, so yes, they are equivalent.