Solutions by everydaycalculation.com
The simplest form of 21211818 is 76.
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Equivalent fractions: 4242/3636 6363/5454 707/606
More fractions: 4242/1818 2121/3636 6363/1818 2121/5454 2122/1818 2121/18192120/1818 2121/1817
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