Question

If a/b = c/d then show that a/b+a = c/d+c ?​

Answer 1

`\frac a b = \frac c d`

Cross multiply,

`ad = bc`

Add ac to both sides,

`ad + ac = bc + ac`

Factor,

`a(d+c) = c(b+a)`

Divide by (b+a)(d+c),

`(a)/(b+a) = (c)/(d+c) \quad\checkmark`