For the first number, we convert the improper fraction to a mixed number:
0. Divide 18 by 8:
2. The result is 2 with a remainder of 2 which we write as 2/8.

Now, we can simplify this fraction

Therefore, 18/8 written as a mixed number is:

For the second number, we convert the mixed number to an improper fraction:

Therefore, 1 7/12 written as an improper fraction is:
