Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/5 of 3/9?"
15 × 39 is 115.
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Related: 2/5×3/9 1/5×6/9 1/10×3/9 1/5×3/18 3/5×3/9 1/15×3/9 1/5×3/27 1/5×15/9 1/25×3/9 1/5×3/45 7/5×3/9 1/5×21/9 1/35×3/9 1/5×3/63
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