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.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  roadblock, barricade(noun) a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc. 2  barricade(verb) a barrier (usually thrown up hastily) to impede the advance of an enemy.