PEMDAS/Fraction Review

PEMDAS

100

Solve 3 + 4 x 2

11

200

Solve (10 - 4) / 2 + 5

8

300

5² - (4 + 2) x 3

7

400

18 / 3² + 4 x (7 - 3)

18

500

2 x [20 - (3² + 1)] /4

5

Adding Fractions

100

1/5 + 2/5

3/5

200

1/4 + 3/8

5/8

300

2/3 + 4/5

22/15 or 1 3/4

400

2 1/3 + 1 3/4

49/12 or 4 1/12

500

1/2 + 2/3 + 3/4

23/12 or 1 11/12

Subtracting Fractions

100

7/9 - 4/9

3/9 -> 1/3

200

5/6 - 1/3

3/6 -> 1/2

300

3/4 - 2/5

7/20

400

3 1/5 - 1 2/3

23/15 -> 1 8/15

500

5- 2 4/7

2 3/7 -> 17/7

Multiplying Fractions

100

(1/3)(2/5)

2/15

200

(3/4)(8/9)

24/36 -> 2/3

300

(5) (3/10)

15/10 -> 3/2 -> 1 1/2

400

(1 1/2) (2 2/3)

4

500

(2 1/4) (1 1/3) (2/5)

6/5 -> 1 1/5

Dividing Fractions

100

1/2 / 1/4

2

200

3/5 / 2/3

9/10

300

4 / (2/3)

6

400

2 1/2 / 1 1/4

2

500

3 3/4 / 2 1/2

3/2 or 1 1/2