The fraction bar is used to separate the numerator and denominator in a fraction.

The teacher handed out fraction bars to the students.

There are many case fractions in this problem.

Complex fractions can be difficult to solve.

Dyadic fractions are commonly used in computer science.

Fractional distillations are commonly used in the petroleum industry.

The fractionating columns are used in the distillation process.

The mass fractions of the elements in the compound were determined.

The mole fractions of the different gases in the mixture were calculated.

Representative fractions are used in map scales to show the relationship between distances on a map and actual distances on the ground.