The number 0.45 written as a fraction is 45/100 or 9/20. Convert any decimal to a fraction by making the number behind the decimal point the numerator of the fraction and choosing the appropriate denominator: 1 followed by the same number of zeros as digits after the decimal.
Know MoreSimplify the fraction by dividing both the numerator and denominator by the greatest common factor. If there are digits before the decimal, include them as whole numbers in front of the fraction so the answer becomes a mixed number. If the decimal number is negative, the new fraction or mixed number is also negative.
Learn more about Fractions & PercentagesTo find a missing numerator or denominator of a fraction, another fraction of equal proportion must also be present so that a ratio can be set up and solved for the missing value. Ratio is just another term for a fraction, and ratios are used in the real world for things like doubling a cooking recipe.
Full Answer >To calculate equivalent fractions, take a fraction and divide or multiply both of its numbers by the same figure. An action must always be performed to both parts of the fraction when calculating equivalent figures.
Full Answer >20 percent can be written as the fraction 1/5. It can also be written as the decimal 0.2. Percentages, fractions and decimals are different ways of expressing the same number value.
Full Answer >As a fraction, 1.25 can be written as 1 1 /4 or 5/4. The number 1 1/4 is called a mixed fraction and 5/4 is an improper fraction.
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