# Sum Of Multiples in Elm

#### Given a number, find the sum of all the multiples of particular numbers up to but not including that number.

1 | ```
exercism fetch elm sum-of-multiples
``` |

# Sum Of Multiples

Given a number, find the sum of all the unique multiples of particular numbers up to but not including that number.

If we list all the natural numbers below 20 that are multiples of 3 or 5, we get 3, 5, 6, 9, 10, 12, 15, and 18.

The sum of these multiples is 78.

## Elm Installation

Refer to the Exercism help page for Elm installation and learning resources.

## Writing the Code

The first time you start an exercise, you'll need to ensure you have the appropriate dependencies installed.

1 |
```
$ elm-package install --yes
``` |

Execute the tests with:

1 |
```
$ elm-test
``` |

Automatically run tests again when you save changes:

1 |
```
$ elm-test --watch
``` |

As you work your way through the test suite, be sure to remove the `skip <|`

calls from each test until you get them all passing!

## Source

A variation on Problem 1 at Project Euler http://projecteuler.net/problem=1

## Submitting Incomplete Solutions

It's possible to submit an incomplete solution so you can see how others have completed the exercise.