Answer:
The answer is 4 1/7 but since it says best estimate then that would B(3 1/2)
Step-by-step explanation:
1 6/7 + 2 2/7
Mixed numbers separately and add the whole numbers
(1+2) + (6/7 + 2/7)
Add the numbers
3+ (6/7 + 2/7)
Add the fractions
3+8/7
Convert the improper fraction into a mixed number
3+ 1 1/7
Write the mixed number as a sum
3+ 1+1/7
Add the numbers
4+1/7
Write the sum of the whole number.. and the fraction as a mixed number
So.. Its 4 1/7
