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Dividing Rational Numbers. The term Rational Numbers refers to any number that can be written as a fraction. This includes fractions that are simplified,

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Presentation on theme: "Dividing Rational Numbers. The term Rational Numbers refers to any number that can be written as a fraction. This includes fractions that are simplified,"— Presentation transcript:

1 Dividing Rational Numbers

2 The term Rational Numbers refers to any number that can be written as a fraction. This includes fractions that are simplified, fractions that can be simplified, mixed numbers, improper fractions, integers whole numbers, and decimals. Rational Numbers

3 Division can be done with decimals and fractions. Unfortunately most people learn how to evaluate these problems differently because text books never make connections. This always causes students to forget the math. Dividing Rational Numbers Change Operation. Flip 2nd Fraction. =

4 Both problems divide rational numbers. So let’s do both problems the same way. This will cause less confussion in the future. All we need to do is rewite both problems Dividing Rational Numbers Division with decimalsDivision with fractions Exact same problems as before, just written differently

5 Good news. The problems can be done the same way Begin by figureing out what you want to divide by. Dividing Rational Numbers Divide by 12 instead 1.2 Never divide by a number with a decimal. Always divide fractions by 1 How did we get 12 and how did we get 1?

6 All you need to do is figure out what to multiply by Dividing Rational Numbers Muliply the denominator by the place value Muliplythe denominator by the reciprical

7 All you need to do is figureout what to multiply by Dividing Rational Numbers Muliply the denominator by the place value Muliplythe denominator by the reciprical

8 Finish by multiplying the numerator by the same values Dividing Rational Numbers What ever you multiply the denominator by you multiply the numerator by

9 Just divide the last fractions Dividing Rational Numbers 3


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