Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/50 of 8/9?"
4250 × 89 is 5675.
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Related: 84/50×8/9 42/50×16/9 42/50×8/18 42/50×24/9 42/50×8/27 42/50×40/9 42/50×8/45 42/50×56/9 42/50×8/63
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