I believe it is 1.333 to the infinity (edited by ayoth13)
2 1/2 * 2 2/3 cannot be done like it is, it must be turned into an improper fraction. This means that the equation is renumbered 5/2 * 8/3. This is 40/6, or 20/3, or 7 2/3 (7.6666666666.....)
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(2/3) x (2/3) x (2/3) x (2/3) = (2/3)4 = 16/81
negative two-thirds
3 quarters are not greater than 2 halfs, as two halfs equal a whole. :)
4 2/3 x 1/2 is 2 1/3
2 times 2/3 = 4/3