

Given, total length of the rope = 11 m
Now, two pieces of lengths 13/5 and 33/10 are cut off
The length of the remaining rope = 11 - (13/5 + 33/10)
= 11 - {13 * 2 + 33)/10} {LCM(5, 10) = 10}
= 11 - (26 + 33)/10
= 11 - 59/10
= (11 * 10 - 59)/10
= (110 - 59)/10
= 51/10 m
