Solutions by everydaycalculation.com
1st number: 21 0/2, 2nd number: 18/21
This multiplication involving fractions can also be rephrased as "What is 42/2 of 18/21?"
422 × 1821 is 181.
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Related: 84/2×18/21 42/2×36/21 42/4×18/21 42/2×18/42 42/2×54/21 42/6×18/21 42/2×18/63 42/2×90/21 42/10×18/21 42/14×18/21
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