Final answer:
15/14 is a fraction slightly greater than 1 when converted to a decimal, therefore, it lies between 1.0 and 1.5 which corresponds to option a.
Step-by-step explanation:
The student is asking which two whole numbers the fraction 15/14 lies between. To find the answer, let's start by determining the decimal value of 15/14. When we divide 15 by 14, we get approximately 1.07, which is just a bit more than 1 but less than 1.5. Therefore, 15/14 lies between the numbers 1.0 and 1.5. The correct answer is then option a. 1.0 and 1.5, since 15/14 is greater than 1 but less than 1.5.