1.
The LCM of 5
rs
2
and 4
st
is ____ .
A.
20
s
2
B.
20
rs
2
t
C.
20
rst
D.
20
rt
Hint
2.
Find the least common denominator for
and
A.
36
e
2
f
B.
48
e
2
f
C.
30
e
2
f
D.
4
e
2
f
Hint
3.
Find the LCM of 25 and 30.
A.
120
B.
750
C.
150
D.
275
Hint
4.
Find the LCD of
and
A.
10
B.
24
C.
12
D.
18
Hint
5.
Replace
to make
a true statement.
A.
=
B.
<
C.
D.
>
Hint