Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/10 of 5/21?"
310 × 521 is 114.
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Related: 6/10×5/21 3/10×10/21 3/20×5/21 3/10×5/42 9/10×5/21 3/10×15/21 3/30×5/21 3/10×5/63 15/10×5/21 3/10×25/21 3/50×5/21 21/10×5/21 3/10×35/21 3/70×5/21
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