4.2G relating decimals to fractions

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What is a decimal?

Back

A decimal is a way of representing numbers that are not whole numbers, using a point (.) to separate the whole part from the fractional part.

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What is a fraction?

Back

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What is a mixed number?

Back

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How do you convert a mixed number to a decimal?

Back

To convert a mixed number to a decimal, divide the numerator by the denominator and add it to the whole number.

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Back

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Back

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over 1, multiply numerator and denominator by 10 for each digit after the decimal point, and simplify.

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Back

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Front

What is the relationship between decimals and fractions?

Back

Decimals and fractions are two ways to represent the same value; decimals are based on powers of ten, while fractions are based on parts of a whole.