Question

What should you add to 5 3/7 to get 12?

Answer 1

Answer:

here

Step-by-step explanation:

53/7+x=12 so x=12-53/7 then 84-53/7=31/7.

so the answer is 31 /7.

that is not 53.

he has put gap between 5&3.

so it is a case of mixed fraction