Question

-12/5+31/10+11/-15+ -7/-18

Answer 1

-12/5+31/10+11/-15+-7/-18
= -12/5+31/10-11/15+7/18
L.C.M of 5,10,15and18 is 90
={ -12(18)+31(9)-11(6)+7(5)}/90
={-216+279-66+35}/90
= 32/90
= 0.3555....