Fractions

Adding fractions

• Step.1

Convert all mixed numbers to improper fractions.

3

1

10

95

3

1

10

59

Adding Fractions

• Step 2

Find the lowest common denominator

30

10

30

177

3

1

10

59

Adding Fractions

• Step 3

Add the numerators and keep the denominators the same

30

187

30

10

30

177

Adding Fractions

• Step 4

Reduce to lowest terms

30

76

30

187

Subtracting Fractions

• Step 1

Convert mixed numbers

4

1

8

76

4

1

8

55

Subtracting Fractions

• Step 2

Find the lowest common denominator 8

2

8

55

4

1

8

55

Subtracting Fractions

• Step 3

subtract numerators keep the denominators the same 8

53

8

2

8

55

Subtracting Fractions

• Step 4

Reduce to lowest terms

8

56

8

53

Multiplying Fractions

• Step 1

Convert all mixed numbers into improper fractions

3

1

2

17 x

3

1

2

15x

Multiplying Fractions

• Step 2

Multiply the numerators 15115 x

Multiplying Fractions

• Step 3

Multiply denominators

632 x

Multiplying Fractions

• Step 4

Reduce to lowest terms

2

12

6

15

Dividing Fractions

• Step 1

Convert mixed numbers into improper fractions

21

3

5

6/

7

3

5

6/

Dividing Fractions

• Step 2convert division to multiplication by changing / to x and then rewrite the second fraction as the reciprocal. (upside-down) 7

3

6

5x

7

3

5

6/

Dividing Fractions

• Step 3

Times the numerators and the denominators

7

3

6

5

42

15x

Dividing Fractions

• Step 4

Reduce to lowest terms 42

1524

5

Fractions Project

• By: Sam and Dallas