# Fractions Addition

Your task is to write a function which takes the tuple of tuples containing fractions as an argument and returns the sum of those fractions. The fractions will look like this: (x, y), where 'x' is the numerator, and 'y' is the denominator. For example, (2, 3) means 2/3. If the numerator is greater than the denominator (after the addition) you should extract the integer part and put it before the fraction. For example:

fractions (((2, 3), (2, 3))) = "1 and 1/3", because the result will be - 4/3 (the numerator is greater than the denominator) and you can extract the integer part (1) and the remaining fraction (1/3).
Make note that the conjunction 'and' is required if the result has both parts - the integer and the fraction.

If the result doesn’t contain the fraction part and has only the integer - you should return it as the 'int'-type, not 'str'. If it doesn’t contain the integer part - just return it like a string 'N/D' where N - is the numerator and D - is the denominator.

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Input:
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Fractions.

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Output:
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The sum of fractions.

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Example:
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add_fractions(((2, 3), (2, 3))) == "1 and 1/3" add_fractions(((1, 3), (1, 3))) == "2/3" add_fractions(((1, 3), (1, 3), (1, 3))) == 1

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How it is used:
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For work with non integer numbers.

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Precondition
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:

2 <= the amount of the fractions <= 10

Positive fractions only.

CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.

In order to install CheckiO client you'll need installed Python (version at least 3.8)

Install CheckiO Client first:

pip3 install checkio_client

Configure your tool

checkio --domain=py config --key=

Sync solutions into your local folder

checkio sync

(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)

checkio serv -d

Alternatevly, you can install Chrome extension or FF addon

checkio install-plugin

checkio install-plugin --ff

checkio install-plugin --chromium

Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.

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