Question

17/21 + 1/3 - 5/7 thank you!

Answer 1

3/7

Explanation:

change all denominators to 21

{21 is the lcd of all the numbers)

17/21 x 1= 17/21

1/3 x 7 = 7/21

5/7 x 3 = 15/21

17/21 + 7/21 - 15/21

24/21-5/21

9/21

reduce by three

9/21÷3

3/7

Answer 2

Answer:3/7

Explanation: