Oh, dude, that's like 2.3256. But who's counting, right? I mean, unless you're splitting a Pizza with 8.60 of your friends, then you might need to get precise with that decimal.
13.4375
13.4375
21500
430
78.1818
215
860
well if 10% of 860 is 86, then 86x2 (10%x2) =172.
The LCM of 20, 43 is 860.
43 multiplied by 20 is 860.
7 / 860 = 0.00814
The GCF is 20.