Question

Two large numbers of the Fibonacci sequence are `F_49 = 7,778,742,049` and `F_50= 12,586,269,025`. What is the sum of these numbers?

Answer 1

`" "20365011074`

Explanation:

`" "12586269025`
`ul(" "color(white)(1)7778742049" "larr add`
`" "20365011074`