Without parentheses, the expression is way too ambiguous.
It is: 1/3 plus 1/3 = 2/3
You don't as first part is 11/16 in its simplest form and second is 3/4 in its simplest form. Add 1/16 to the first part.
3
1/5 plus 1/7 plus 3/10 is equal to 0.642857
11/12
((2 plus (1 over 4)) plus 3) plus (7 over 8) = 6.12500
1 over 3 plus 1 over 12 equals 5 over 12
the answer is 1 and 5 over 12 :)
Basically, 3/3 equals 1. So 1 plus 1/16 is 1 and 1/16. Or 17/16.
2/3 + 1/6 + 1/6 = 1
2/5 plus 1/3 plus 5/6 is equal to 1.57 or 1 57/100
1/6 plus 3/8 is 13/24