Question

add.
34.4
+ 30.28
\overline{\square}

Explanation:

Step1: Align decimal points

Rewrite 34.4 as 34.40 to match decimal places:
$$34.40 + 30.28$$

Step2: Add hundredths place

$0 + 8 = 8$

Step3: Add tenths place

$4 + 2 = 6$

Step4: Add ones place

$4 + 0 = 4$

Step5: Add tens place

$3 + 3 = 6$

Answer:

64.68