Answer: 8/35.
Step-by-step explanation: Since 1/5 and 2/7 is not equal, you would need to find a common denominator. The common denominator would be 35 = 7/35 + 10/35. After you add you will get your answer. I hope this helps. ;)
-11/16 = -0.6875
What part are you lost on, do you want me to teach you how to divide them?
I just really need to answer a question to be able to ask. sorry!!