8.What fraction of prime numbers are there in natural numbers from 2 to 15?
Answers
Given,
The natural numbers from 2 to 15.
To Find,
The fraction of prime numbers.
Solution,
All the numbers from 2 to 15 are natural numbers.
Total no. of numbers from 2 to 15 = 14
Prime numbers present in this set of numbers = 2,3,5,7,11 and 13.
No. of prime numbers = 6
Therefore, by representing the no. of prime numbers out of this set of natural numbers in fractional form = 6/14
As both the numbers are divisible by 2, we can simplify it as → 3/7.
Therefore the fractional form is 6/14 or 3/7.
✔NATURAL NUMBERS
All the counting numbers are known as natural numbers, that is, the set of whole numbers excluding 0 are known as natural numbers.
✔PRIME NUMBERS
The numbers that are greater than one with only 2 factors - one and the number itself are known as prime numbers.
✔ FRACTIONS
Representing numbers as part of a whole when divided are known as fractions. There are 3 types of fractions:
- Proper fractions
- Improper fractions
- Mixed fractions