Free Printable GCF and LCM (plus more)!

1.

What is the GCF of 15 and 45?

a)

5

b)

3

c)

15

d)

45

2.

Convert the following improper fraction to a mixed number:

\frac{28}{3}

a)

$9\ \frac{1}{3}$

b)

$3\ \frac{1}{9}$

c)

$1\ \frac{1}{3}$

d)

$8\ \frac{4}{3}$

3.

What is the LCM of 5 and 12?

a)

30

b)

5

c)

12

d)

60

4.

What is the GCF of 12 and 48?

a)

48

b)

12

c)

136

d)

4

5.

A florist has 54 red roses and 36 white roses. If the florist creates the greatest number of identical bouquets possible with a combination of red and white roses without any roses leftover, how many red roses are in each bouquet?

a)

2

b)

3

c)

4

d)

5

6.

Which fraction is equivalent to:

\frac{3}{8}

a)

$\frac{1}{4}$

b)

$\frac{12}{32}$

c)

$\frac{2}{3}$

d)

$\frac{1}{3}$

7.

What is the LCM of 4 and 12?

a)

4

b)

12

c)

24

d)

2

8.

What is the sum of the following fractions?

\frac{2}{3}\ +\ \frac{7}{8}

a)

$\frac{14}{11}$

b)

$\frac{14}{24}$

c)

$\frac{21}{16}$

d)

$1\ \frac{13}{24}$

9.

Dakota runs a half-marathon every 6 weeks, and Madison runs a half-marathon every 15 weeks. If they start now, in how many weeks will they again be running a half marathon at the same time?

a)

15 weeks

b)

18 weeks

c)

30 weeks

d)

60 weeks

10.

What is the GCF and LCM of 3 and 12?

a)

3 and 12

b)

3 and 24

c)

12 and 24

d)

12 and 48

GCF and LCM (plus more)!

Total questions: 10

Worksheet time: 30mins

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