Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/84 of 4/9?"
2184 × 49 is 19.
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Related: 42/84×4/9 21/84×8/9 21/84×4/18 63/84×4/9 21/84×12/9 21/84×4/27 21/84×20/9 21/84×4/45 21/84×28/9 21/84×4/63
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