a) 5/9 x 12/25 = 4/15
b) 12/11 : 36/55 = 5/3
c) 9/55 x 22 = 18/5
d) 144/7 : 36 = 4/7
a) 5/9 x 12/25 = 4/15
b) 12/11 : 36/55 = 5/3
c) 9/55 x 22 = 18/5
d) 144/7 : 36 = 4/7
a) 5/9 x 12/25 = 4/15
b) 12/11 : 36/55 = 5/3
c) 9/55 x 22 = 18/5
d) 144/7 : 36 = 4/7