Solutions by everydaycalculation.com
1st number: 4 2/10, 2nd number: 12/63
This multiplication involving fractions can also be rephrased as "What is 42/10 of 12/63?"
4210 × 1263 is 45.
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Related: 84/10×12/63 42/10×24/63 42/20×12/63 42/10×36/63 42/30×12/63 42/10×60/63 42/50×12/63 42/10×84/63 42/70×12/63
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