Simplifying fractions is easy on the calc.....input your fraction.....hit enter, and it simplifies and gives you a decimal
Like-for example-this:
$${\frac{{\mathtt{4}}}{{\mathtt{6}}}} = {\frac{{\mathtt{2}}}{{\mathtt{3}}}} = {\mathtt{0.666\: \!666\: \!666\: \!666\: \!666\: \!7}}$$
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