`a) 3 / 14 xx 2 = [ 3 xx 2 ] / [ 7 xx 2 ] = 3 / 7`
`b) 3 xx 7 / 9 = [ 3 xx 7 ] / [ 3 xx 3 ] = 7 / 3`
`c) 4 / 11 : 2 = 4 / 11 xx 1 / 2 = [ 2 xx 2 ] / [ 11 xx 2 ] = 2 / 11`
`d) 4 xx 5 / 8 = [ 4 xx 5 ] / [ 4 xx 2 ] = 5 / 2`
a) 3/14 x 2= 3/14 x 2/1 = 6/14 = 3/7
b) 3 x 7/9= 3/1 x 7/9 = 7/3
c) 4/11 : 2= 4/11 : 2/1 = 4/11 x 1/2 = 4/22= 2/11
d) 4 x 5/8= 4/1 x 5/8 = 20/8 = 5/2