Outside Sums Sudoku (Fun With Sudoku #117)

Another name for Frame Sudoku is known as Outside Sums Sudoku. I previously published this type of Sudoku puzzle with the name Frame Sudoku. However this Sudoku type is appearing in World Sudoku Championship 2015 with the name Outside Sums Sudoku, so I will be publishing this Sudoku with the Outside Sums Sudoku name itself. 

I am publishing this Outside Sums Sudoku as my 117th Sudoku in the Fun With Sudoku Series. Can you solve this Outside Sums Sudoku puzzle?

Rules of Outside Sums Sudoku

Outside Sums Sudoku (Fun With Sudoku #117)

Outside Sums Sudoku (Fun With Sudoku #117) Solution

Previous Fun With Sudoku Series puzzle Non-Consecutive XV Sudoku (Fun With Sudoku #116)

Next Fun With Sudoku Series puzzle Rossini Sudoku (Fun With Sudoku #118)

The answer to the Daily Sudoku League puzzle titled Sum or Difference Sudoku (Daily Sudoku League #140)

The answer of Sum or Difference Sudoku (Daily Sudoku League #140)