Fractions – 7
THE CHALLENGE
Use the numbers 1 to 9 at most once each to fill in these boxes. Do not use improper fractions. How many solutions can you find?
Notes
+
-
THE CHALLENGE
Playing around with compatible denominators produces this list:
- 1/6 + 4/8 = 2/3
- 1/6 + 3/9 = 2/4
- 1/4 + 2/8 = 3/6
- 1/6 + 3/9 = 4/8
- 1/2 + 3/9 = 5/6
- 1/3 + 2/4 = 5/6
- 1/3 + 4/8 = 5/6
- 2/4 + 3/9 = 5/6
- 4/8 + 3/9 = 5/6