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Unlike dividing by a whole number, dividing buy a decimal number cannot be done directly - the divisor must first be converted to a whole number (and then the division can be done).

The easiest way to do this conversion is to keep multiplying the divisor by 10 until a whole number is obtained; however, whatever is done to the divisor must also be done to the dividend, so by whatever the divisor is multiplied, the dividend must also be multiplied.

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Related Questions

How dividing by decimal is different from dividing by whole number and how it is similar?

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