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$12.00 - 3.45$

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Add and subtract decimals

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Q.

12.00 - 3.45

Prompt: question_prompt: How much is $12.00$ minus $3.45$ ?
Align and Subtract: Subtract the two numbers, aligning the decimal points: $12.00 - 3.45$ .
Perform Subtraction: Perform the subtraction: $\newline$ $2$ in the hundredths place, $\newline$ $5$ in the tenths place ( $0 - 4$ cannot be done, so we borrow $1$ from the ones place, making it $10 - 4$ ), $\newline$ $9$ in the ones place ( $1$ borrowed from the tens place, so $1 - 1 = 0$ and then $10 - 3$ ), $\newline$ and $1$ in the tens place.
Write Result: Write down the result: $8.55$ .

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