Question

11. Which of the following is an irreducible fraction?
105
(a) —
112
66
(b) —
77
.(c) 46
—
63

(d) 51
—
85
​

Answer 1

c) 46/63 and d) 51/85 can't be reduced

105/112 can be reduced to 15/16

66/77 can be reduced to 6/7

Answer 2

$\sf \pmb{Answer :}$

c) 46/63 and d) 51/85 can't be reduced

105/112 can be reduced to 15/16

66/77 can be reduced to 6/7