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How To Divide Fractions

Watch more Basic Math Skills videos: Subscribe to Howcast's YouTube Channel - Follow these steps to learn how to divide fractions. Howcast uploads the highest quality how-to videos daily! Be sure to check out our playlists for guides that interest you: Subscribe to Howcast's other YouTube Channels: Howcast Health Channel - Howcast Video Games Channel - Howcast Tech Channel - Howcast Food Channel - Howcast Arts & Recreation Channel - Howcast Sports & Fitness Channel - Howcast Personal Care & Style Channel - Howcast empowers people with engaging, useful how-to information wherever, whenever they need to know how. Emphasizing high-quality instructional videos, Howcast brings you experts who provide accurate information in easy-to-follow tutorials on everything from makeup, hairstyling, nail art design, and soccer to parkour, skateboarding, dancing, kissing, and much, much more. Step 1: Write the problem Write out the first fraction, a divided-by sign, and the second fraction. This will help you visualize the steps you need to take to divide the fractions. Step 2: Invert the second fraction Invert the second fraction by flipping it so that the bottom number is at the top. Rewrite the problem with the first fraction multiplied by the second, now inverted, fraction. Tip For example, rewrite one-half divided by three-fourths as one-half multiplied by four-thirds. Step 3: Multiply the top two numbers Multiply the top two numbers in the fractions to get the top number in your answer, which is known as the numerator. Step 4: Multiply the bottom two numbers Multiple the bottom two numbers in the fractions to get the bottom number in the answer, which is known as the denominator. Tip The result in the example is four-sixths. Step 5: Reduce the final answer Reduce the answer by dividing both the numerator and the denominator by the greatest common factor, which is the highest number by which both can be divided. Tip In the example, divide the numerator and denominator by two, the greatest common factor. The final answer is two-thirds. Step 6: Write your answer Add an equal sign and your final, reduced answer at the end of the original problem. Keep practicing, and soon you may be solving tough math puzzles without even needing a pencil and paper. Did You Know? The word fraction comes from the Latin _frangere_, which means, "to break."
Length: 01:53


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