7.75
13.7778
8, 16 and 248, 16 and 248, 16 and 24
248 / 136 = 1 r 112 136 / 112 = 1 r 24 112 / 24 = 4 r 16 24 / 16 = 1 r 8 16 / 8 = 2 r 0 gcf of 136 and 248 is 8.
Per cent, or "per centum" is always means "divided by one hundred." So, 248/100 is 248% in fraction form. You can further simplify it to 62/25, or 2 12/25.
7.75
248
13.7778
8
31
41.3333
124
248 ÷ 8 = 31
4.5091
225.4545
12.4
62