Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/90 of 6/8?"
2190 × 68 is 740.
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Related: 42/90×6/8 21/90×12/8 21/90×6/16 63/90×6/8 21/90×18/8 21/90×6/24 21/90×30/8 21/90×6/40 21/90×42/8 21/90×6/56
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