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7 grade maths

Find two rational numbers between 2 and 3.

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1 Year agoGrade
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ApprovedApproved Tutor Answer1 Year ago

To find two rational numbers between 2 and 3, we can use the concept of fractions. Rational numbers are numbers that can be expressed as the quotient of two integers, where the denominator is not zero. Since 2 and 3 can be expressed as fractions, we can easily find rational numbers that lie between them.

Identifying Rational Numbers

Let's start with the numbers we have:

  • 2 can be written as 2/1
  • 3 can be written as 3/1

To find rational numbers between these two, we can look for fractions that have numerators and denominators that fit within this range. A straightforward approach is to take the average of 2 and 3, which is:

Calculating the Average

The average of 2 and 3 is:

(2 + 3) / 2 = 5 / 2 = 2.5

So, 2.5 is one rational number between 2 and 3. Now, let's find another one. We can also consider fractions that are slightly less than 3 and slightly more than 2.

Finding Another Rational Number

For example, we can take:

  • 5/2 (which we already found as 2.5)
  • 7/3 (which is approximately 2.33)
  • 8/3 (which is approximately 2.67)

Both 7/3 and 8/3 are rational numbers that fall between 2 and 3. To summarize:

Summary of Rational Numbers

  • First rational number: 2.5 (or 5/2)
  • Second rational number: 7/3 (approximately 2.33)
  • Third rational number: 8/3 (approximately 2.67)

In conclusion, we can confidently say that 2.5, 7/3, and 8/3 are all rational numbers that exist between 2 and 3. This method of finding rational numbers can be applied to any two numbers, making it a versatile tool in mathematics.