Solutions by everydaycalculation.com
1st number: 21 0/4, 2nd number: 6/63
This multiplication involving fractions can also be rephrased as "What is 84/4 of 6/63?"
844 × 663 is 21.
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Related: 84/4×12/63 84/8×6/63 84/4×18/63 84/12×6/63 84/4×30/63 84/20×6/63 84/4×42/63 84/28×6/63
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