Solutions by everydaycalculation.com
1st number: 4 2/10, 2nd number: 8/21
This multiplication involving fractions can also be rephrased as "What is 42/10 of 8/21?"
4210 × 821 is 85.
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Related: 84/10×8/21 42/10×16/21 42/20×8/21 42/10×8/42 42/10×24/21 42/30×8/21 42/10×8/63 42/10×40/21 42/50×8/21 42/10×56/21 42/70×8/21
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