Question

what is 1,456 + 2,321? 2,777; 3,787; 3,777; 3,677

Explanation:

Step1: Add units place

$6 + 1 = 7$

Step2: Add tens place

$5 + 2 = 7$

Step3: Add hundreds place

$4 + 3 = 7$

Step4: Add thousands place

$1 + 2 = 3$

Step5: Combine results

Combine the digits from thousands to units place: $3\ 7\ 7\ 7$ which is $3777$

Answer:

3777 (corresponding to the green option: 3777)