Question

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subtract.
187.724 - 64.517
enter your answer in the box.

Explanation:

Step1: Align decimal places

Align numbers by decimal points:

$$\begin{align*} 187.724\\ -\ \ 64.517\\ \hline \end{align*}$$

Step2: Subtract from rightmost digit

Subtract thousandths place: $4-7$, borrow 1: $14-7=7$

Step3: Subtract hundredths place

After borrowing, hundredths place: $1-1=0$

Step4: Subtract tenths place

Tenths place: $7-5=2$

Step5: Subtract ones place

Ones place: $7-4=3$

Step6: Subtract tens place

Tens place: $8-6=2$

Step7: Subtract hundreds place

Hundreds place: $1-0=1$
Combine results:

$$\begin{align*} 187.724\\ -\ \ 64.517\\ \hline 123.207 \end{align*}$$

Answer:

123.207