# add

# Function: add()

```ts
function add<T1, T2>(left, right): BinaryNumericReturnType<T1, T2>;
```

Defined in: [packages/db/src/query/builder/functions.ts:354](https://github.com/TanStack/db/blob/main/packages/db/src/query/builder/functions.ts#L354)

## Type Parameters

### T1

`T1` *extends* `ExpressionLike`

### T2

`T2` *extends* `ExpressionLike`

## Parameters

### left

`T1`

### right

`T2`

## Returns

`BinaryNumericReturnType`\<`T1`, `T2`\>