Solutions by everydaycalculation.com
The simplest form of 21201090 is 212109.
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Equivalent fractions: 4240/2180 1060/545 6360/3270 424/218
More fractions: 4240/1090 2120/2180 6360/1090 2120/3270 2121/1090 2120/10912119/1090 2120/1089
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