Show:
LCM (LCD)
Improper Fractions and Mixed Numbers
Adding Fractions
Subtracting Fractions
Product of Fractions and Fractions
100

What does LCM stand for?

Least Common Multiple

100

Circle Multiplication! Denominator x Whole Number + Numerator.

Turn the Mixed Number 21/2  into an Improper Fraction.

5/2

100

Fill in the blank.

Never, ever, EVER _______ the denominator

Add or subtract

100

Fill in the blank.

________________ add or subtract the denominator.

Never, ever, EVER

100

2/3 x 5/6

10/18 = 5/9

200

What is the LCM of 4 and 5?

20

200

Dots and Division. Denominator tells us how big the groups are. How many? Any leftovers? What were you measuring?

Turn the Improper Fraction 7/3 into a Mixed Number.

21/3

200

Add.

1/3 + 1/3 = ?

2/3

200

Subtract.

2/3 - 1/3 = ?

1/3

200

4/8 x 4/3

16/24 = 2/3

300

What is the LCM of 6 and 4?

12

300

Turn the Mixed Number 42/3 into an Improper Fraction.

10/3

300

Add.

2/5 + 3/5 = ?

5/5 or 1 or a Whole

300

Subtract.

7/8 - 5/8 = ?

2/8

300

1/6 x 4/7 

4/42 = 2/21

400

What is the LCM of 12 and 5?

60

400

Turn the Improper Fraction 12/5 into a Mixed Number.

22/5

400

Add.

1/4 + 2/3 = ?

7/12

400

Subtract.

2/3 - 1/2 = ?

1/6

400

9/5 x 5/6

45/30 = 9/6 = 3/2 = 1 1/2

500

What is the LCM of 15 and 4

60

500

Turn the Mixed Number 121/8 into an Improper Fraction.

97/8

500

Add.

3/4 + 4/5 = ?

13/20

500

Subtract.

8/9 - 2/5 = ?

22/45

500

9/4 x 5/7

45/28 = 1 17/28