Solutions by everydaycalculation.com
1st number: 2 0/20, 2nd number: 1 8/90
This multiplication involving fractions can also be rephrased as "What is 40/20 of 1 8/90?"
4020 × 9890 is 9845.
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Related: 80/20×98/90 40/60×98/90
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