Adding Mixed Numbers 5

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make a true equation with the smallest possible sum.

Hint

Which digits should you use/avoid? Where should you put the 1? The 2? The…

Answer

The best answer found so far is 1 5/8 + 2 6/8 = 4 3/8.

Source: Robert Kaplinsky

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