Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/60 of 5/12?"
2160 × 512 is 748.
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Related: 42/60×5/12 21/60×10/12 21/60×5/24 63/60×5/12 21/60×15/12 21/60×5/36 21/60×25/12 21/60×5/60 21/60×35/12 21/60×5/84
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