Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/80 of 5/12?"
2180 × 512 is 764.
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Related: 42/80×5/12 21/80×10/12 21/80×5/24 63/80×5/12 21/80×15/12 21/80×5/36 21/80×25/12 21/80×5/60 21/80×35/12 21/80×5/84
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