U1: Adding/Subtracting Mixed Numbers Quiz

What number could be a common denominator for these two fractions?
2/3   and   3/4

• 3
• 4
• 7
• 12

• 3/9

• 7/9

• 7/18

• 2/5

• 5/3

• 9/3

• 11/3

• 2/3

• 3 2/7

• 3 7/10

• 3 2/10

• 3 9/10

• 5/12

• 7/12

• 1/12

• 4/12