Question

Please help me idk this

Answer 1

$3 \frac{1}{4}$ ⇒ rounds to 3
$1 \frac{7}{9}$ ⇒ rounds to 2

Soo..2+3=5


The answer is: 5

Answer 2

We need to estimate the sum by rounding then adding.
$1 \frac{7}{9} \: rounds \: to \: 2 \\ 3 \frac{1}{4} \: rounds \: to \: 3$
2 + 3 = 5