Solutions by everydaycalculation.com
The simplest form of 400640 is 58.
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Equivalent fractions: 800/1280 200/320 1200/1920 2000/3200 80/128 2800/4480
More fractions: 800/640 400/1280 1200/640 400/1920 401/640 400/641399/640 400/639
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