The smallest square that can be exactly tiled (with no cutting) by rectangular tiles of dimensions a x b has side length equal to the least common multiple (LCM) of a and b; the number of tiles needed is the square's area divided by the area of one tile.
For tiles of size 8 x 6, the smallest square side that both 8 and 6 divide evenly into is LCM(8, 6). Since 8 =...
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