Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/10 of 1/5?"
510 × 15 is 110.
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Related: 5/10×2/5 5/20×1/5 5/10×1/10 15/10×1/5 5/10×3/5 5/30×1/5 5/10×1/15 25/10×1/5 5/50×1/5 5/10×1/25 35/10×1/5 5/10×7/5 5/70×1/5 5/10×1/35
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