Fractions and Decimal Operations!!!!!!!

Adding/Subtracting Fractions

100

5/13 + 3/13

8/13

200

7/2 - 6/2

1/2

300

-3/4 + 1/6

-9/12 + 2/12 = -7/12

400

-7/8 - (-2/5)

-35/40 - (-16/40) = -19/40

500

-1/3 + 1/2 - (-1/8)

-8/24 + 12/24 - (-3/24) = 7/24

Multiplying/Dividing Fractions

100

3/8 x 7/9

21/72

200

9/8 ÷ 4/5

9/8 x 5/4 = 45/32

300

-3/4 x 3 1/2

-3/4 x 7/2 = -21/8 = -2 5/8

400

-1 2/3 ÷ (-1/5)

-5/3 x (-5/1) = 25/3 = 8 1/3

500

1 2/3 ÷ (-2 3/5)

5/3 x (-13/5) = -65/15 = -13/3 = -4 1/3

Adding/Subtracting Decimals

100

14.1 + 33.9

48

200

-135.37 - 28.17

-163.54

300

-75.053 + (-27.96)

-103.013

400

14.28 - (-6.93)

21.21

500

-2.005 - (-1.987)

-0.018

Multiplying/Dividing Decimals

100

1.45 x 3.1

4.495

200

3.6 ÷ 0.4

9

300

-.34 x 12.5

-4.25

400

-0.48 ÷ (-0.006)

80

500

4.55 x (-0.13)

-0.5915

Mystery

100

2.36 + 1/4

2.61

200

3/8 x 2.58

.9675

300

9.5 ÷ 2/5

23.75

400

2  2/5  x  1.4

3.36

500

What is the greatest whole number that is less than
(4/3)^2 ÷ (2/5)^3

27 7/9 = 27 is the largest whole number.