Twelve minus seven is five
negative seven, -7
seventeen and seven over twelve
One minus a sixth is five sixths.
Oneand one sixth is six sixths (one in total) plus one sixth - or seven sixths. So seven sixths minus 5 sixths is 2 sixths which can also be expressed as one third.
1½ = Twelve eighths so the answer is seven-eighths
Seven and five is twelve. If you say, 'seven and five are twelve', you are actually saying that the number 7 is 12, and the number 5 is 12, which is impossible.
seven minus five equals two. 7 - 5 = 2.
6 1/6, which is 37/6 in improper notation
32 and 1/3