4 7/10=14/5
3 5/12=5/4
4 1/4=1
1 11/100=11/100
3 1/5=3/5
(5269-4887+1609) - (18001-17993)+2319 =-336
5269-4887=382+1609=1991
18001-17993=8+2319=2327
1991-2327=-336