Solutions by everydaycalculation.com
1st number: 7 0/6, 2nd number: 6/40
This multiplication involving fractions can also be rephrased as "What is 42/6 of 6/40?"
426 × 640 is 2120.
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Related: 84/6×6/40 42/6×12/40 42/12×6/40 42/6×6/80 42/6×18/40 42/18×6/40 42/6×30/40 42/30×6/40 42/6×42/40
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