43
0.3
It is 46/100 = 23/50.
1.0 if the same number is permitted. If not, there is no such thing as a CLOSEST decimal. If you are given one decimal with the claim of being the closest, the average of that number and 1 will be a decimal that is closer. Without averaging, the closest would be 0.999 with infinite 9s
The only decimal value that is closest to 4.75 is is 4.749̅ [9̅ represents the repeated digit value for the term.]
.0972
The whole number part is 418 and the decimal part is .0972
515 is closest to 500.
A decimal benchmark example would be 43 divided by 2. a decimal benchmark would be 42 divided by 2 because everyone knows that all even numbers are divisible by 2
500
25
What benchmark fraction is closest to each point in the letter E
1/2
43
1/2
1/2
2/3