660/1760
Cancel down by '10'
Hence
66/176
Cancel down by '2' * Since they are both even numbers)
33/88
Cancel down by '11'
3/8
The answer!!!!!
3 divide by 660 = 0.004545454545454545
0.5*(440 + 660) = 0.5*(1100) = 550
6/60 = 1/10
LCM of 66, 55, 44 = 660
It is: 660/2 = 330