> ## Documentation Index
> Fetch the complete documentation index at: https://voltaire.tevm.sh/llms.txt
> Use this file to discover all available pages before exploring further.

# Uint.minus

> Subtract Uint256 values with wrapping underflow

<Card title="Try it Live" icon="play" href="https://playground.tevm.sh?example=primitives/uint.ts">
  Run Uint examples in the interactive playground
</Card>

<Tabs />

<Warning title="Wrapping Behavior">
  Subtraction wraps on underflow: (a - b + 2^256) mod 2^256
</Warning>

## See Also

* [plus](/primitives/uint256/plus) - Addition
* [Arithmetic operations](/primitives/uint256/arithmetic) - Full arithmetic reference