Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/60 of 7/12?"
2160 × 712 is 49240.
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Related: 42/60×7/12 21/60×14/12 21/60×7/24 63/60×7/12 21/60×21/12 21/60×7/36 21/60×35/12 21/60×7/60 21/60×49/12 21/60×7/84
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