Question

what is the value of the expression? 64.58 + 7426 =

Explanation:

Step1: Align decimal points

Align the numbers by their decimal points:

$$\begin{align*} &\phantom{+}64.580\\ &+\phantom{0}7.426\\ \hline \end{align*}$$

Step2: Add thousandths place

$0 + 6 = 6$

Step3: Add hundredths place

$8 + 2 = 10$, write 0, carry over 1

Step4: Add tenths place

$5 + 4 + 1 = 10$, write 0, carry over 1

Step5: Add ones place

$4 + 7 + 1 = 12$, write 2, carry over 1

Step6: Add tens place

$6 + 0 + 1 = 7$

Step7: Combine results

Combine all digits with decimal point:
$$72.006$$

Answer:

72.006