Question

what should be subtracted from -3/11 to get -7/21 ?​

Answer 1

Answer:

let the no be = x

-3/11 - x = -7/21

-3/11 - (-7/21) = x

-3/11 + 7/21 = x

x = -3×21+7× 11 /231

x= -63+ 77 / 231

x = 14/231

Step-by-step explanation:

here is your answer

Answer 2

Answer:

I don't know this sorry