Answer:
19/25
Explanation:
Convert the two fractions into decimals by dividing the numerator by the denominator. 19/25 = 0.76 and 5/20 = 0.25
Now you have: 0.76, 0,680, 0.33 and 0.25.
0.76 is the greatest rational number because it is closest to 1.0, making 19/25 the correct answer.