Adding Fractions
Subtracting Fractions
Multiplying Fractions
Dividing Fractions
Mrs. O'Brien/School
100

How do you add fractions with the same denominator?

Just add the numerators and carry over the denominator.

100

How do you subtract fractions with the same denominator?

You just subtract the numerators and carry over the denominator

100

1/3 x 8 

8/3 or 2 and 2/3 

100

1/4 divided by 5 

1/20 

100

Number of pets Mrs. O'Brien has.

What is 5

200

3/9 + 5/8

69/72

200

Subtract the fractions 3/5 - 1/5

2/5

200

Multiply the following:

1/2 x 1/2

1/4

200

5 divided by 1/3 

15 

200

Multiply the number of children I have by 323.

What is 969

300

5/3 + 4 2/7

5 20/21

300

Subtract the fractions 1 10/15 - 4/5

13/15

300

3/4 x 11

33/4 or 8 and 1/4 

300

Divide the following fractions:

1/2 divided by 8

1/16 

300

Number of days left of school.

What is 7.

400

Add the fractions:  

1/3 + 2/4

10/12 or 5/6

400

Subtract the fractions 4/2 - 4/3

4/6 or 2/3

400

Multiply the fractions:

5/8 x 2/7 

10/56 or 5/28 

400

Divide the following fractions:

3/7 divided by 5

3/35

400

Number of 5th grade classes in Region 15.

What is 14.

4 LMES and GES

3 MES and PES

500

5/6 + 1/12 + 2/5

79/60 or 1 19/60

500

3/4-1/8

5/8

500

Multiply the fractions:

2/3 x 4/5

8/15

500

Divide the following fractions:

5/8 divided by 10

5/80 or 1/16

500

The number of years Mrs. O'Brien has been a 5th grade teacher.

What is 13 years.