28/39
The lowest term of 78 over 81 in fraction form is 26/27
78 over 220 in the lowest terms is 39/110
26 over 27
6/78 = 1/13.
13*6 = 78 so 13/78 = 1/6
Divide both by 13 65/78 = 5/6
The LCM is: 2,184
It is already in its lowest terms
78/100 = 39/50
66/78 = 11/13
9.78 in a mixed number is 9 78/100. In its lowest term, it is 9 39/50.
=78 X100 /56 139.2