---
title: Subtract(RationalTime, RationalTime)
product: Unity Editor
version: '6000.3'
latest_version: '7000.0'
status: This page documents version 6000.3. The latest version is 7000.0.
canonical: https://docs.unity.com/en-us/engine/6000.3/script-reference/unity/integertime/rationaltimeextensions/subtract
latest_url: https://docs.unity.com/en-us/engine/7000.0/script-reference/unity/integertime/rationaltimeextensions/subtract.md
last_updated: 2026-09-14
generated_at: 2026-11-15T03:17:56.511Z
locale: en-us
---

# Subtract(RationalTime, RationalTime)

> Subtracts a RationalTime from another.

## Definition

* **Type:** Method
* **Namespace:** [Unity.IntegerTime](/engine/6000.3/script-reference/unity/integertime.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public static RationalTime Subtract(this RationalTime lhs, RationalTime rhs)
```

### Parameters

**** (\[RationalTime]\(/engine/6000.3/script-reference/unity/integertime/rationaltime)): **** (\[RationalTime]\(/engine/6000.3/script-reference/unity/integertime/rationaltime)): 

### Returns

| Type                                                                              | Description                                                                       |
| --------------------------------------------------------------------------------- | --------------------------------------------------------------------------------- |
| [RationalTime](/engine/6000.3/script-reference/unity/integertime/rationaltime.md) | A new instance that is the difference between the left operand and the right one. |