![]() Iv) When the dam operates at capacity, there is a 1-in-140 chance of flooding. Iii) Previously, the Corps of Engineers said the chance of widespread flooding was 1-in-4. Ii) The odds of widespread flooding in the valley improve to 1-in-32 when all the sandbagging and flood-protection efforts are factored in. ![]() Army Corps of Engineers, speaking of the repairs to the Green River Dam, reported there was now a 1-in-25 chance that a storm would force the corps to release enough water from the dam’s reservoir to cause a flood downstream in the Green River Valley. Step 2) Simplify the fraction to get the lowest denominator while keeping. Round to the nearest tenth of a percent if necessary. If the percentage you need to convert is not a whole number then multiply both. Write all four of the odds of flooding as a percent chance. ![]() These excerpts are from the story Corps: Dam work lessens Seattle-area flood chance published in the Times-Standard on Nov. Write the fractional number of major hurricanes in 2008 as a percent. 5 of the 8 hurricanes in 2008 were categorized as major. Iii) Which type of crime decreased the least?Ĩ2. Ii) Which type of crime decreased the most? When you convert a percentage to a fraction, you first convert your percentage to a decimal, then divide that number by 1. Now that we’ve got that down, let’s look at converting percentages into fractions. This makes a correctly formed fraction: 8 10. Multiply top and bottom by 10 for every number after the decimal point (10 for 1 number,100 for 2 numbers, etc): 0.8 × 10 1 × 10. You would move past the 5 (the first point) and past the 2 (the second point) and end with 1.25. Write down the decimal 'over' the number 1: 0.8 1. Move the decimal point two places to the left. Simple, right? But what if your percent number is over 100%? Maybe you have 125%. 4: Convert each percent to a fraction: (a) 24.5 (b) 33 1 3 1 3. You can also practice with changing fractions into percentages and use the fractions calculator that is specifically made for using. Other exercises that can be done are: adding, multiplying, dividing, subtracting, and making equivalent fractions. So we'll divide both parts of our fraction by 5. 5 is the largest number that goes evenly into 85 and 100. These are improper fractions, and their values are greater than one. Such as simplifying fractions, which is important for doing following exercises with fractions. To reduce, we need to find the largest number that will go evenly into both 85 and 100. As always, remember to remove the percent sign when you’re done. The previous example shows that a percent can be greater than 1. ![]() No simplification of fractions: Worksheet 1. In the 2nd worksheet, they are also asked to simplify the resulting fraction, and the last worksheets, students convert the percent to a decimal as well as a fraction. Moving the decimal two places to the left gives us 0.25. In these worksheets students convert percentages to fractions. Mathematicians are not the people who find Maths easy they are the people. In any calculation, the percent value has to be changed in a number in fractional form by removing the percent symbol and dividing it by 100. Just move the decimal in your percentage 2 places to the left. An exercise on converting fractions to decimals, decimals to percentages and. If you divide 25 by 100, you get 0.25, which is a decimal.īut there’s a much easier way to convert to a decimal, and it’s something I like to call the math two-step. We’ve already established that percent means “per one hundred.” Using 25, 25% is really just 25 per 100. But how do you convert the percentage into a decimal? Well, there are actually two ways you can do it. The word percent literally means “per one hundred.” Percent to Decimalįor instance, 25% is 25 of 100, and 64% is 64 of 100. But before we look at conversions, let’s do a quick recap on percentages.Ī percent is any number that is a part of 100. There are decimals, literally, everywhere you look. Step 2: To get a percent value, multiply the obtained decimal number by 100. To express it as a simplified fraction, find the greatest common factor, which in this case is 2, and divide both the numerator and denominator by it, giving us 9/50. To convert 18 into a decimal, simply divide by 100, resulting in 0.18. To do this, divide the numerator by the denominator. Converting percentages to decimals and fractions is a fundamental math skill. Write the percentage as the top number of the fraction, 100 as the bottom number and then simplify the. Step 1: Convert the fraction into a decimal number. You see decimals when dealing with money, measuring distance, measuring how much something weighs. Converting a percentage to a fraction is easy. We use decimals in every part of our lives. Hi, welcome to this video on converting percentages to decimals and fractions! In this video, we’ll show you some easy and not-so-easy methods for converting percentages.
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