Final answer:
To add fractions with the same denominator, you can simply add the numerators and keep the common denominator. In this case, 17/20 + 7/20 = 24/20, which simplifies to 6/5.
Step-by-step explanation:
To add the fractions 17/20 and 7/20, you simply add the numerators together and keep the common denominator. In this case, the common denominator is 20. So, 17/20 + 7/20 = 24/20.
Simplifying the fraction, you can divide both the numerator and denominator by 4 to get 6/5.