Question

Which statement is true regarding the calculation of the sum of fractions `1/3` and `3/5`?

Options

• The numerators must be multiplied.

• The denominators must be subtracted.

• A common denominator is mandatory.

• The numerators can be added directly.

Answer 1

A common denominator is mandatory.

Explanation:

`1/3`​ and `3/5` are unlike fractions because their denominators are different.

To add unlike fractions, you must first find a common denominator, then add the numerators.