No... 90/100... you can reduce by tens to make it 9 over 10 or 9/10
No.
No.
9 over 10 = 9/10 or 0.9 in decimal
No.
7 over 10
9/13 ÷ 9/10 = 10/13
Divide by 10/10 Get 120
10/100 = 1/10
9/10 divided by 10/9 equals 9/10 x 9/10 equals 81 /100
1 over 2
You mean simplify then yes, it would be reduce to 3 over 5.