ぶんすう分数bunsuu
1.

A mathematical expression that represents the division of one integer by another, typically denoted in the form of a numerator over a denominator, where the numerator signifies the number being divided and the denominator signifies how many parts the whole is divided into.

2.

A quantity obtained by dividing an integer by a non-zero integer, visually expressed with a horizontal line separating the two values, where the top number (numerator) indicates how many parts are taken and the bottom number (denominator) indicates the total number of equal parts that the whole is divided into.

3.

A representation of a division that includes the concept of partitioning a whole into specific segments, allowing for expressions of values that fall between whole numbers, thereby facilitating calculations involving proportions and comparisons in various mathematical contexts.