Question

if a+b=60 ,a-b=40 and a=22 then find a/b

Answer 1

a- b= 22
b= 40+22= 62
a/b = 22/62 = 11/ 31

Answer 2

a+b=60--------(1)
a-b=40--------(2)
'and a=22

put the value of a in eq (1)

a+b=60
22+b=60
b=60-22
b=38

Now,

a/b
22/38
11/19

11/19 is your answer