1) 2/7 (-5 1/4) = -10/7 (20/4 + 1/4) = -10/7 * 21/4 = -210/28 = -105/14 = -7.5
2) -4 1/2 (-1 1/3) = -9/2 -4/3 = 36/6 = 6
3) 3.6 (-2/3) = 3.6 -0.666... = -2.4
1) 2/7 (-5 1/4) = -10/7 (20/4 + 1/4) = -10/7 * 21/4 = -210/28 = -105/14 = -7.5
2) -4 1/2 (-1 1/3) = -9/2 -4/3 = 36/6 = 6
3) 3.6 (-2/3) = 3.6 -0.666... = -2.4