Answer:
2
Explanation:
the smallest button is
the most common button is
the largest button is 1
add these buttons together
find the LCD of the denominators
factors of 2: 2, 4, 6, 8, 10
factors of 4: 4, 8, 12, 16, 20
find the factor that is the same in the two rows
factors of 2: 2, 4, 6, 8, 10
factors of 4: 4, 8, 12, 16, 20
2*2 = 4
· 2 =
1
+ 1
2