Philip P. answered 03/02/15
Tutor
4.9
(481)
Effective and Patient Math Tutor
2/6 = 2/(2*3) = 1/3 (the twos cancel)
2 1/4 = 9/4
2/6 * 2 1/4 = 1/3 * 9/4 = (1*9)/(3*4) = 9/12 = (3*3)/(3*4) = 3/4 (the threes cancel)