1. A trucks engine needs 3 1/4 gallons of oil for an oil change. Write this number as an improper fraction.
   
   

A65/4

B18/4

C13/4

D4

1. Find the LCM of 30 and 12/
   
   

360

2

6

60

1. An "A" train leaves a subway station every 12 minutes. An "E" train leaves every 9 minutes. If both trains jut left the station on parallel tracks, when will both leave the station together again?
   
   

in 108 minutes

in 36 minutes

in 72 minutes

in 24 minutes

1. compare the pair of numbers. Use <, =, or >.
   
   

3/4 _ 33/40


3/4 > 33/40

3/4 < 33/40

4 40

3/4 = 33/40

1. Order the numbers from least to greatest.
   
   

3/8, 19/24, 2/3


2/3 < 19/24 < 3/8

2/3 < 3/8 < 19/24

3/8 < 19/24 < 2/3

3/8 < 2/3 < 19/24