Fill in the blanks to make the statements true.

(A) Sleeping time of a python in a 24 hour clock is represented by the shaded portion in Fig. 8.3.

The ratio of sleeping time to awaking time is ______.

(B) A ratio expressed in lowest form has no common factor other than ______ in its terms.

(C) To find the ratio of two quantities, they must be expressed in _____units.