Question

Simplify the expression.

347+429+437


1. 11 2/9


2. 12 2/9


3. 11 9/23


4. 12 9/23

Answer 1

2. 12 2/9

Explanation:

Because of the choices, I assume the three addends are mixed numerals:

3 4/7 + 4 2/9 + 4 3/7 =

= 3 + 4 + 4 + 4/7 + 2/9 + 3/7

= 11 + 7/7 + 2/9

= 11 + 1 + 2/9

= 12 2/9

Answer: 2. 12 2/9