Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/40 of 1/9?"
2140 × 19 is 7120.
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Related: 42/40×1/9 21/40×2/9 21/80×1/9 21/40×1/18 63/40×1/9 21/40×3/9 21/40×1/27 21/40×5/9 21/40×1/45 21/40×7/9 21/40×1/63
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