Question

a 15 :11/12 b 4*3/7 c 1/2:5

Answer 1

`a) 15 : 11/12 = 15 xx 12/11 = 180/11`

`b) 4 xx 3/7 = 12/7`

`c) 1/2 : 5 = 1/2 xx 1/5 = 1/10`

Answer 2

`a) 15 : 11/12= 15 xx 12/11=(15xx12)/11= 180/11`

`b) 4 xx 3/7=(4xx3)/7= 12/7`

`c) 1/2 : 5= 1/2 xx 1/5=(1xx1)/(2xx5)=1/10`