# How do you use a number line to divide a fraction by a whole number?

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For example #4/5 divide 3#

I know how to get the answer without a number line but I don't understand how to get the answer with a number line or how to prove my answer with a number line.

For example

I know how to get the answer without a number line but I don't understand how to get the answer with a number line or how to prove my answer with a number line.

##### 1 Answer

#### Answer:

See the construction tips in the explanation.

#### Explanation:

Draw a number line ( A to B) of some easily divisible length. Perhaps 15 lots of

Draw the line BG of some length that is easily divided into 5 equal parts. The angle does not matter as long as it is sensible.

Draw the line GA. Then the parallel lines from F,E,D and C

This has provided a full set of

Count

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In the same way as in Step 1 divide AH into 3 parts

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In the same way divide AB into