398 is an integer and not a fraction. However, it can be expressed in rational form as 398/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.
(301,2)(86,7)(43,14)
398
398 + (398 * .06) = 398 + 23.88 = 421.88
602
444-398 = 46
398 777 angel 1 can be said to be 398 and that is the truth.
602 + 1000 = 1602
602 = DCII
602 = DCII
0.398 = 398/1000 = 199/5000.398 = 398/1000 = 199/5000.398 = 398/1000 = 199/5000.398 = 398/1000 = 199/500
5% of 398 is 19.9