Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/64 of 7/9?"
2164 × 79 is 49192.
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Related: 42/64×7/9 21/64×14/9 21/64×7/18 63/64×7/9 21/64×21/9 21/64×7/27 21/64×35/9 21/64×7/45 21/64×49/9 21/64×7/63
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