One third minus one fourth plus three quarters how to calculate? The fastest right plus 10 points I know it's five sixths, but I want to make sure it's easy to calculate!

One third minus one fourth plus three quarters how to calculate? The fastest right plus 10 points I know it's five sixths, but I want to make sure it's easy to calculate!

=1 / 3 + (3 / 4-1 / 4)
=1 / 3 + 1 / 2
=5 out of 6