OEIS link for a description of lunar arithmetic

Simply take the larger digit.

Example 1:

    5
  + 6
  ____
    6

Example 2:

    456
  + 789
  _____
    789

Example 3:

        86
   + 12374
    ______
     12386

Example 4:

       29
     1652
  + 95412
   ________
    95659
Solve

Solution Stats

217 Solutions

61 Solvers

Last Solution submitted on May 24, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers61

Chris Cleveland George Berken Mehdi Dehghan Lorenzo

Suggested Problems

More from this Author92

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!