Explanation:
num1= print("Enter a number :")
num2 = print("Enter a number :")
sum = num1 + num2
print(sum)
You got to "insert" and then you go to "shapes" and then you find the symbol you like and you drag and drop it onto the page. Then you can resize to the size and angle you would like it at.
Just select the fraction text and choose Open Type > Fractions from the Character panel menu.