It is: 4
The GCF is 8.
The GCF is 2.
Since 12 is a factor of 24, it is automatically the GCF.
The GCF is 4.
4
4
12
It is: 4
If you mean 12, 16 and 28 then the HCF is 4
the hcf of 12 and 20 = 4
Divide the top and bottom by their highest common factor (HCF).If you don't know their HCF, or are unsure of dividing by large numbers, divide top and bottom by any common factor and repeat until they have no common factor.That's how to simplify 8/28, this is it being done:8 and 28 have the HCF of 4, therefore:8/28 = (8÷4)/(28÷4)= 2/7