12
The number is 21. 21 ÷ 3 = 7 7 - 3 = 4
4
12, easy
divide it by the denominator. which would be three.
divide the first number by the second number. For example 3/4, you would divide 3 by 4 and get 0.75 then it would be 75%.
To convert a fraction to a decimal, divide the numerator (top number) by the denominator (bottom number). 3 over 4 as a fraction is written 3/4. To convert to a decimal, divide 3 by 4 and the answer is .75
divide by 3 then times by 4
Both 16 and 12 can be divide by for, which results in 4/3. You can change for thirds into a mixed number. 4 divided by 3 is 1 remainder 1, so as a mixed number, 4/3 is 11/3.
58
Multiply it by 0.75 or divide it by 4 and multiply it by 3.
Add them all together, then divide by the number of the amount of numbers. Say you wanted the mean of 2, 3, and 4. You would add 2, 3, and 4 then divide by 3, because there are 3 numbers.