Question

Is the difference of 18 and 3 a rational number? Explain

Answer 1

Answer:

Yes

Step-by-step explanation:

The difference of 18 and 3 is 15 which can be expressed as fraction, so its a rational number.

Answer 2

Answer:

Yes, it is a rational number.

Step-by-step explanation:

A rational number is a number that can be expressed in fractional form. A rational number consists of:

• Integers - they can be expressed in form of $\displaystyle{\dfrac{a}{1}}$ where a is an integer.

• Fractions - obviously that they are in fractional form.
• Repeating Decimals - they can be expressed in form of fractions as well.

Since the difference of 18 and 3 is 15 and the number 15 can be expressed as 15/1. Therefore, 15 or the difference of 18 and 3 is a rational number.