Question

what should we subtracted from-9/20 to get-1/5​

Answer 1

Answer:

-9/20 - x = -1/5

-9/20 + 1/5 = x

(-45+20)/100 = x

-25/100 = x

x = -1/4

Therefore, -1/4 should be subtracted from -9/20 to get -1/5.