# UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Dividing Common Fractions (Algebra 1.1) - PowerPoint PPT Presentation

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UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Dividing Common Fractions (Algebra 1.1). How many one-sixths of a pie are there in two-and-a-half pies?. UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Dividing Common Fractions (Algebra 1.1).

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UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Dividing Common Fractions (Algebra 1.1)

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### UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTSDividing Common Fractions (Algebra 1.1)

How many one-sixths of a pie are there in two-and-a-half pies?

### UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTSDividing Common Fractions (Algebra 1.1)

• This problem requires us to divide two fractions. First, we will convert the mixed number “two-and-a-half” to a fraction…

How many one-sixths of a pie are there in two-and-a-half pies?

+

2

=

x

1

5

2

2

### UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTSDividing Common Fractions (Algebra 1.1)

• Now we have to divide five halves by one-sixth…

• “Flip” the divisor…

How many one-sixths of a pie are there in two-and-a-half pies?

=

=

5

1

5

6

2

6

2

1

### UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTSDividing Common Fractions (Algebra 1.1)

• And proceed just as if you were multiplying, by multiplying across.

• And simplify the quotient.

• There are 15 sixths of a pie in two-and-a-half pies.

How many one-sixths of a pie are there in two-and-a-half pies?

x

=

30

30

2

2

5

6

2

1

=

15