Unit fraction :-The fraction whose numerator is 1 are called unit fraction.
Proper fraction :-The fraction whose numerator is smaller than it's denominator is called proper fraction.

Unit Fraction and Proper Fraction

Unit Fraction
An unit fraction is a fraction in which the numerator is 1. For example, 1/2, 1/3, 1/4 are all unit fractions. It represents the concept of dividing a whole into equal parts, where each part is one of the equal parts.

Proper Fraction
A proper fraction is a fraction in which the numerator is less than the denominator. In other words, the fraction represents a part of a whole where the part is less than the whole. For example, 2/3, 3/4, 5/7 are all proper fractions.

Parts and Wholes

Parts
In fractions, the numerator represents the number of parts considered, while the denominator represents the total number of equal parts into which the whole is divided. For example, in the fraction 3/5, 3 represents the number of parts considered out of the total 5 parts.

Wholes
The whole in a fraction represents the total quantity or entity being considered. It is the complete unit that is being divided into parts. For example, in the fraction 3/5, the whole is divided into 5 equal parts, and 3 parts out of those 5 are considered.

By understanding the concepts of unit fractions, proper fractions, parts, and wholes, students can grasp the fundamental principles of fractions and develop a strong foundation for more advanced mathematical concepts.