FRACTIONS

Adding Fractions

100

How do you add fractions with the same denominator?

Just add the numerators

200

3/9 + 2/9

5/9

300

5/12 + 4/12

9/12 or 3/4

400

Add the fractions:  

1/3 + 2/4

10/12 or 5/6

500

5/16 + 1/16 + 2/16

8/16 or 1/2

Subtracting Fractions

100

How do you subtract fractions with the same denominator?

You just subtract the numerators and leave the denominator

200

Subtract the fractions 3/5 - 1/5

2/5

300

Subtract the fractions 10/15 - 4/15

2/5

400

Subtract the fractions 4/2 - 4/3

4/6 or 2/3

500

6 4/9 - 5 2/9

1 2/9

Multiplying Fractions

100

How do you multiply the fractions?

Multiply the numerators straight across and then multiply the denominators straight across?

200

Multiply the following:

1/2 x 1/2

1/4

300

Multiply the fractions:

5/8 x 3/4

15/32

400

Multiply the fractions:

5/32 x 0

0

500

Multiply the fractions:

48/75 x 1

48/75

Dividing Fractions

100

How do you divide fractions?

Take the reciprocal of the second fractions and multiply it by the first

200

Write the reciprocal of:

18/27

27/18

300

Divide the following fractions:

1/5 divided by 1/4

4/5

400

Divide the following fractions:

3/7 divided by 6/14

1

500

Divide the following fractions:

57/98 divided by 1

57/98