Subtraction in PowerShell results in strange result value

### Prerequisites

- [X] Write a descriptive title.
- [X] Make sure you are able to repro it on the [latest released version](https://github.com/PowerShell/PowerShell/releases)
- [X] Search the existing issues.
- [X] Refer to the [FAQ](https://github.com/PowerShell/PowerShell/blob/master/docs/FAQ.md).
- [X] Refer to [Differences between Windows PowerShell 5.1 and PowerShell](https://docs.microsoft.com/powershell/scripting/whats-new/differences-from-windows-powershell).

### Steps to reproduce

`11111.11 - 11110.01` or `11111.11 - 11110`

### Expected behavior

```console
PS> 11111.11 - 11110.01
1.1

PS> 11111.11 - 11110
1.11
```


### Actual behavior

```console
PS> 11111.11 - 11110.01
1.10000000000036

PS> 11111.11 - 11110
1.11000000000058
```


### Error details

```console
N/A
```


### Environment data

```powershell
Name                           Value
----                           -----
PSVersion                      7.2.0-preview.6
PSEdition                      Core
GitCommitId                    7.2.0-preview.6
OS                             Microsoft Windows 10.0.19043
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0&hellip;}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0
```


### Visuals

N/A

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

Subtraction in PowerShell results in strange result value #15789

Prerequisites

Steps to reproduce

Expected behavior

Actual behavior

Error details

Environment data

Visuals

Metadata

Assignees

Labels

Type

Fields

Projects

Milestone

Relationships

Development

Uh oh!

Subtraction in PowerShell results in strange result value #15789

Description

Prerequisites

Steps to reproduce

Expected behavior

Actual behavior

Error details

Environment data

Visuals

Metadata

Metadata

Assignees

Labels

Type

Fields

Projects

Milestone

Relationships

Development

Issue actions