Question

What should be added to -5/7 to get -9/17

Answer 1

Answer:

Step-by-step explanation:

let the number be X

then -5/7 + x = -9/17

⇒ x = -9/17 + 5/7

⇒ x = ( (-9 x 17) + (17 x 5))/199

⇒ x = ( -63 + 85)/199

⇒ x = 22/199

⇒ the number that should be add to -5/7 and get -9/17 is 22/199