Answer:
6/16 or 3/8 (simplified) is your answer.
Step-by-step explanation:
10 children has learned how to juggle 4 balls at a time. There are 16 in all. You are solving for the amount of children that has not learned.
Subtract: 16 - 10 = 6
Set the amount gotten over the total: 6/16
6/16 or 3/8 (simplified) is your answer.
~