Video: Subtracting a Given Fraction from a Whole Number

Complete the following: 1 − (4/7) = _.

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Video Transcript

Complete the following: one minus four-sevenths equals blank.

To subtract with fractions, we need to have a common denominator which means we need to ask the question how do we write the whole number one as a fraction out of seven. We write seven over seven. The whole number one is equal to seven-sevenths.

When dealing with subtracting fractions, once you have a common denominator, all you have to do is subtract the numerators. Seven minus four is three. And the denominator doesn’t change.

Seven-sevenths minus four-sevenths equals three-sevenths.

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