Answer:
Fractions are used in: Determining the part of a number. Calculating decimals and percentages. Ratio and proportion.So we can define the three types of fractions like this: Proper Fractions: The numerator is less than the denominator.
Examples: 1/3, 3/4, 2/7. Improper Fractions: The numerator is greater than (or equal to) the denominator.