Solutions by everydaycalculation.com
1st number: 4 2/10, 2nd number: 6/84
This multiplication involving fractions can also be rephrased as "What is 42/10 of 6/84?"
4210 × 684 is 310.
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Related: 84/10×6/84 42/10×12/84 42/20×6/84 42/10×18/84 42/30×6/84 42/10×30/84 42/50×6/84 42/10×42/84 42/70×6/84
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