No.
42/45 = 14/15
divide both by 9 then 45/126 = 5/14
It is 14/90, which can be simplified, if required.
16/45 cannot be simplified.
No.
It is: 90/28 = 45/14 simplified
42/45 = 14/15
0.3111
divide both by 9 then 45/126 = 5/14
It is 14/90, which can be simplified, if required.
53/45 cannot be simplified further.
9/20 if the question is "what is 45/100 simplified"
It is: 45/1000 = 9/200 simplified
16/45 cannot be simplified.
45/63 is 5/7 simplified
It is: 1281/45 = 427/15 simplified