(21/7)=3.
7
21 can be divided evenly by: 1 3 7 and 21.
21
21
3 & 7 (and of course, 1 and 21)
21
If you mean: -3*(-7)/-1 then it is -21
You need to divide it by 6/7.
Oh, dude, dividing 7 over 11 by 21 is like dividing a pizza slice by the number of people at the party who don't like pineapple on their pizza. So, you just take 7/11 and divide that by 21. It's like trying to split a tiny piece of cake between a whole football team. The answer is approximately 0.0318.
The number is 21. 21 ÷ 3 = 7 7 - 3 = 4
1, 3, 7, 21.