Solutions by everydaycalculation.com
1st number: 4 0/10, 2nd number: 2 0/10
This multiplication involving fractions can also be rephrased as "What is 40/10 of 2 0/10?"
4010 × 2010 is 81.
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Related: 80/10×20/10 40/10×40/10 40/20×20/10 40/10×60/10 40/30×20/10 40/10×20/30 40/50×20/10 40/10×20/50 40/70×20/10 40/10×20/70
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