Yes, 10/3 is an improper fraction. An improper fraction is defined as a fraction where the numerator (the top number) is greater than or equal to the denominator (the bottom number). In this case, 10 is greater than 3, which makes it improper.
Improper fractions can also be converted into mixed fractions. For instance, 10/3 can be expressed as 3 1/3, indicating that there are three whole parts and a remainder of one-third. Understanding the distinction between proper and improper fractions is essential in various mathematical operations, especially in simplifying or adding fractions.