1.   Which symbol makes the sentence true?
   
    A. B. <
    C. > D. =
    Hint

  2.   Which fraction is greatest?
   
    A. II B. They are all equal.
    C. I D. III
    Hint

  3.   What is the least common denominator for and
    A. 72 B. 36
    C. 9 D. 12
    Hint

  4.   Find the least common denominator for and .
    A. 45 B. 30
    C. 90 D. 135
    Hint

  5.   Which symbol makes the sentence true?
______
    A. < B. >
    C. = D.
    Hint