7/12-(1/4). first you need a common denominator which is 12. in the first fraction we already have a 12, so we don't need to multiply times anything, but the second fraction already has a 4, so what times 4 is 12, 3.
a place along a road, border, etc., where travelers are stopped for inspection. 2. a point or item, especially in a procedure, for notation, inspection, or confirmation. Origin of checkpoint. 1935-1940.
Definition - What does Sobriety Checkpoints mean? Sobriety checkpoints are locations where police conduct routine stops that are done for the purpose of testing drivers for sobriety. The most common method of doing this is through breathalyzer tests. Other methods are used as well including asking the driver to walk in a straight line or repeat the alphabet both forward and in reverse.