4.5 as a fraction is equal to 9/2.
How to convert 4.5 into fraction?
Multiply and divide 4.5 with 1. The number will become 4.5/1.
There is one digit after the decimal point. Multiply and divide the number with 10 to clear the decimal point.
Thus, the number will become 45/10. Find out highest common factor among 45 and 10. Both numbers can be divided by 5. Therefore, we will divide the numerator and denominator by 5.
Hence, 4.5 as a fraction is 9/2.