How To Divide Fractions

You bought 6 1 2 pounds of sirloin steak and you want to cut it into pieces that. Mixed numbers adding subtracting multiplying dividing whole numbers decimals improper fractions duration. Change the second fraction to its reciprocal.

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To divide mixed fractions start by converting them to improper fractions.

How to divide fractions. Dividing fractions step by step examples. Introduction to fractions dividing fractions by whole numbers multiplying fractions simplifying fractions equivalent fractions adding fractions subtracting fractions. Mathematicians didn t want to muck up fraction division by making you do something as complicated as actually dividing so they devised a way to use multiplication instead. In fact after you change mixed numbers to improper fractions dividing fractions is just like multiplying fractions except that you flip the numerator and the denominator of the second fraction.

Finally simplify the fractions if needed. Next multiply the two numerators. Multiply the top numbers of both fractions together to get the numerator top number of your new fraction. How dividing fractions works.

Then flip the second fraction over so the bottom number of the second fraction is now on the top. To divide fractions by fractions start by replacing the division sign with a multiplication sign. Multiply the numerators to find the new numerator multiply the denominators to find the new denominator then simplify where. Teaching students how to divide fractions is part of the common core state standards for mathematical practice.

Then find the reciprocal of the second improper fraction by flipping the numerator and denominator. 3. Dividing fractions is as easy as pie. To divide one fraction by another fraction change the problem to multiplication.

Dividing by 5 2 is the same as multiplying by 2 5 so instead of dividing by a fraction it is easier to turn that fraction upside down then do a multiply. The first step to dividing fractions is to find the reciprocal reverse the numerator and denominator of the second fraction. One of the most valuable things to teach your students when dividing fractions is what the answer means. The organic chemistry tutor 683 960 views 58 32.

Once you ve found the reciprocal multiply the numerators in both fractions and then multiply the denominators. Multiplying and dividing fractions multiplying fractions. Change the division sign to a multiplication sign. Dividing two fractions is the same as multiplying the first fraction by the reciprocal of the second fraction.

Take a look at the example below. Then multiply the two denominators.