Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/3 of 7/9?"
13 × 79 is 727.
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Related: 2/3×7/9 1/3×14/9 1/6×7/9 1/3×7/18 1/3×21/9 1/9×7/9 1/3×7/27 5/3×7/9 1/3×35/9 1/15×7/9 1/3×7/45 7/3×7/9 1/3×49/9 1/21×7/9 1/3×7/63
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