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This module is from Fundamentals of Mathematics by Denny Burzynski and Wade Ellis, Jr. This module discusses combinations of operations with decimals and fractions. By the end of the module students should be able to combine operations with decimals.
Having considered operations with decimals and fractions, we now consider operations that involve both decimals and fractions.
Sample set a
Perform the following operations.
. Convert both numbers to decimals or both numbers to fractions. We’ll convert to decimals.
To convert
to a decimal, divide 1 by 4.
Now multiply 0.38 and .25.
Thus,
.
In the problems that follow, the conversions from fraction to decimal, or decimal to fraction, and some of the additions, subtraction, multiplications, and divisions will be left to you.
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Convert
to a decimal.
Multiply before adding.
Now add.
3.3875
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Convert 0.28 to a fraction.
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Practice set a
Perform the following operations.
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Exercises
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Exercises for review
Questions & Answers
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Source:
OpenStax, Fundamentals of mathematics. OpenStax CNX. Aug 18, 2010 Download for free at http://cnx.org/content/col10615/1.4
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