Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/10 of 5/10?"
310 × 510 is 320.
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Related: 6/10×5/10 3/20×5/10 3/10×5/20 9/10×5/10 3/10×15/10 3/30×5/10 3/10×5/30 15/10×5/10 3/10×25/10 3/50×5/10 3/10×5/50 21/10×5/10 3/10×35/10 3/70×5/10 3/10×5/70
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