Typically, within the United States, most all schools grade on a 4.0 scale with 4.0 being the highest. Thus, a 4.0 is equivalent to a letter grade of A.
If you mean 74/80 then it is 37/40 in its lowest terms
if you mean 40/64 then it is 5/8 in its lowest terms
In the absence of any other information, 40 is in its lowest terms.
40 (F)
If you mean 40 to 12 and 120 to 36 then they are both equivalent and in their lowest terms they are equivalent to 10 to 3
If you mean: 4x squared+12x-40 then it is (x+5)(x-2) after dividing all terms by 4
I'm assuming you mean 0.925 In that case, 925/1000 or 37/40 in lowest terms
A 40 coinsurance after deductible means that after you have paid your deductible amount, you will be responsible for paying 40 of the remaining covered expenses, while your insurance will cover the other 60.
The abbreviations G-4, F-12 & EF-40 are numismatic grades and can be used on any coin.
You need a 40-60
40 over 36 in lowest terms = 10/9 or 11/9
8 over 40 in simplest terms is 1 over 5