4/9
No, it is fully reduced.
3/8
15/24
2 1/4
The mixed number 2 1/4 (two and one over four) = 9/4 (nine over four) as an improper fraction.
409.409409.409409.409409.409
Yes.
No, it's improper.
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no it is an improper fraction
write four and nine tenths as a deicmal, which would be 4.9. In fraction form, it would be 4 9/10.
-9 over anything but zero is a fraction. Division by zero is undefined.