Calculate the L.C.M of 5/6, 4/ 7, 9/10, 8/9 is :
Select the correct option:
A) 560
B) 364
C) 320
D) 330
E) 360
Required L.C.M =L.C.M. of 5, 4, 9, 8/H.C.F. of 6, 7, 10, 9 =360/1= 
<gadget id="calculator">360/1</gadget>
<output>360</output>
360   Answer is 360
<result>E</result>
Calculate the L.C.M of 5/6, 4/ 7, 9/10, 8/9 is :