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Published byGyles Waters Modified over 9 years ago
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Converting Fractions, Decimals & Percentages
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COMMONLY OCCURING VALUES IN PERCENTAGES, DECIMALS & FRACTIONS
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Percent to Decimal Divide by 100 and remove the % sign The easiest way to divide by 100 is to move the decimal point 2 places to the left
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Decimal to Percent Multiply by 100 and add a % sign. The easiest way to multiply by 100 is to move the decimal point 2 places to the right
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Fraction to Decimal The easiest way to convert a fraction to a decimal is to divide the Numerator by the Denominator
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NOW IT STARTS TO GET TRICKY
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Decimal to Fraction Put the decimal over 1, multiply top and bottom by 10 for every digit after the decimal point then simplify
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Fraction to Percentage The easiest way is to divide the numerator by the denominator, multiply the result by 100 and add the % sign
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Percentage to Fraction Covert to a Decimal (divide by 100) then use the steps for converting Decimals to Fractions
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BIBLIOGRAPHY http://www.mathsisfun.com/decimal-fraction-percentage.html http://www.mymaths.co.uk/ http://www.bbc.co.uk/bitesize/ks2/maths/
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