Open Middle®
Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make the smallest possible decimal sum.
Hint
What is the smallest possible whole number the sum could be?
Answer
• 14/7 + 3/6 = 2.5
• 18/9 + 3/6 = 2.5
• 18/9 + 3/6 = 2.5
There may be more ways to get the sum, but I couldn’t find any more.
Source: Kari Frazier
I can confirm that 14/7 + 3/6 = 2.5 and 18/9 + 3/6 = 2.5 are the only two ways to get the sum 2.5 and that 2.5 is the lowest sum possible.
04/5 +1/2 1.3
@ Hi
You used the number 1 twice
I think 14/7 + 3/6 = 2.5 because I’m better
it is 2.5
18/9 + 3/6 = 2.5 😉
🫤
21/7 + 4/8 = 3.5