7 will go into 399 57 times with no remainder. So 399 divided by 7 is 57.
57
(7/57) x 100 = 12.281 (to three decimal places)
57/7 = 8.142857 recurring (that is, 8.142857142857...) or 8 and one seventh.
The answer is 57, because 7 times 57 is 399.
8 with a remainder of 1.
7, remainder 1
57 and 1/7
8 times with a remainder of 1
57 and 1/7
7 with remainder 36.
57, remainder 7