Answer :
12 2/3 is approximately 12.67, so we can round this up to 13.
9 1/10 is 9.1, so we can round this down to 9.
13 - 9 = 4
So 4 is our estimated answer.
9 1/10 is 9.1, so we can round this down to 9.
13 - 9 = 4
So 4 is our estimated answer.
