What is one third plus three fourth minus one and one fifth?
1/3 + 3/4 - 1 - 1/5 =
1/3 + 3/4 - 6/5 =
20/60 + 45/60 - 72/60 =
65/60 - 72/60 = - 7/60
MathsGod1, this is a good one for you :)