Name:
Date:
Period:
Accelerated Pre-Algebra
LCM with Variables, Comparing and Ordering Rational Numbers Homework
I.
Order least to greatest. You must show ALL work (e.g. equivalent fractions over a
common denominator!) Please write your final answer with original fractions.
II.
A.
2 2 2
B.
2 1 2
, ,
5 3 7
, ,
5 3 4
Compare. Use < , > , or = to complete each statement. Be sure to show all work (e.g.
equivalent fractions over a common denominator!)
A.
8
B.
1
5
3
______
3
______
3
2
4
3
15
8
24
C. − _________ −
D. −
7
12
________ −
28
48
Name:
Date:
Period:
III.
Accelerated Pre-Algebra
Find the LCM and the GCF of each set of expressions. Be sure to find the prime
factorization of each first with exponents!
A. 90x2y
72x3y2
GCF:
LCM:
B. 45a2bc
120abc2
150a3b2
GCF:
LCM:
IV.
Suppose you and your friend shared two 12-inch pizzas, a pepperoni pizza cut into 8
slices and a cheese pizza cut into 6 slices. If you ate 5 slices of the pepperoni pizza, and
your friend ate 3 slices of the cheese pizza, who ate more pizza? Explain your answer!