To simplify 158/12, divide 158 by 12. The answer is 13 remainder
2. 13 is a whole number. Now, pit the 2 over 12. It is 2/12, but it
needs to be simplified, so divide the denominator and numerator by
2. The answer is 1/6. Put it with the 13 and the final answer is 13
1/6.