Solutions by everydaycalculation.com
1st number: 4/21, 2nd number: 2 8/10
This multiplication involving fractions can also be rephrased as "What is 4/21 of 2 8/10?"
421 × 2810 is 815.
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Related: 8/21×28/10 4/21×56/10 4/42×28/10 4/21×28/20 12/21×28/10 4/21×84/10 4/63×28/10 4/21×28/30 20/21×28/10 4/21×28/50 28/21×28/10 4/21×28/70
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