Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/3 of 1/9?"
13 × 19 is 127.
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Related: 2/3×1/9 1/3×2/9 1/6×1/9 1/3×1/18 1/3×3/9 1/9×1/9 1/3×1/27 5/3×1/9 1/3×5/9 1/15×1/9 1/3×1/45 7/3×1/9 1/3×7/9 1/21×1/9 1/3×1/63
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