A = 16/27 x 45/8
A = 16x45/27x8
A = 8x2x9x5/9x3x8
A = 2x5/3
A = 10
B = 2/3 x (1/6 + 5/3)
B = 2/3 x (1/6 + 10/6)
B = 2/3 x 11/6
B = 2x11/3x3x2
B= 11/3x3
B= 11/9
C= 2 + 1/3 - 4/9
C= 18/9 + 3/9 - 4/9
C= 21/9 - 4/9
C=17/9
D= (3/2 - 1/4) x (3/2 - 1/4)
D= (6/4 - 1/4) x (6/4 - 1/4)
D= 5/4 x 5/4
D= 5x5/4x4
D= 25/20