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9 July, 16:27

How do you multiply a decimal by a fraction

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  1. 9 July, 16:30
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    In order to multiply a fraction and a decimal, you have to either change the fraction to a decimal or change the decimal to a fraction then multiply ... for example

    1/2 *.8 =

    we can change 1/2 to a decimal by doing the division that is described by the fraction ... the fraction bar literally means "divided by", so 1/2 means 1 : 2 =.5

    Now you can multiply

    .8 *.5 =.40 or. 4

    The other choice would be to convert. 8 into a fraction. Look at the place value ... the 8 is in the 10ths place so the value is 8 tenths or 8/10. Now multiply

    8/10 * 1/2 = 8/20 = 4/5
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