5th Add/Subtract/Multiply/Divide Fractions

Adding

100

3 + 2/3

3 2/3

200

1/2 + 3/4

1 1/4

300

3/8 + 1/12

11/24

400

6/7 + 1/6

Give improper fraction and mixed number

43/42 and 1 and 1/42

500

2 2/3 + 3 4/5

6 7/15

Subtracting

100

5 - 3/8

4 5/8

200

5/9 - 1/3

2/9

300

4/5 - 1/4

11/20

400

2 5/6 - 1 1/2

1 2/6 or 1 1/3

500

5 1/4 - 2 1/3

2 11/12

Multiplying

100

1/8 x 4

4/8 or 1/2

200

3/4 x 6

18/4 or 4 2/4

300

9 x 3/9

27/9 or 3

400

5/6 of 30 marbles are blue. How many are blue?

25

500

2/3 of 30 marbles are blue. How many marbles are not blue?

10

Dividing

100

6 ÷ 1/3

18

200

1/3 ÷ 6

1/18

300

1/8 ÷ 12

1/96

400

1/4 of a pizza being shared by 3 friends. How much of a pizza does each person get?

1/12

500

8 yards of string. 1/3 yard is needed to make a necklace. How many necklaces can be made?

24

Miscellaneous

100

What does LCD stand for?

Least Common Denominator

200

How do you show work on online tests?

Fold a piece of paper into 4 sections and use the sections for different problems.

300

What are the steps for adding/subtracting fractions with an unlike denominator.

1) Find the LCD

2) Convert fractions so they have the same denominator

3) Add or subtract the numerator and keep the denominator

4) Simplify or find an equivalent fraction, if necessary.

400

What does KFF stand for, and when is it used?

Keep, Flip, Flop is used for dividing with fractions

500

2 2/3 - 1 1/6 - 8/9

11/18