2 and 3/4
11 and 1/4 is already in its simplest form as a mixed number which is 11.25 as a decimal
It's already in its simplest form - since the fraction 6/7 cannot be reduced any further.
Two wholes and a quarter. (assuming you mean 9/4.)
4 over 5 is in simplest form.
1/4 is in its simplest form.
4/19 is in its simplest form.
4 over 5 is in simplest form.
4/5 is in its simplest form.
4 over 70 in the simplest form is 2 over 35
4/9 is the simplest form.
4/25 is the simplest form.