Solutions by everydaycalculation.com
1st number: 42 0/2, 2nd number: 1/21
This multiplication involving fractions can also be rephrased as "What is 84/2 of 1/21?"
842 × 121 is 21.
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Related: 84/2×2/21 84/4×1/21 84/2×1/42 84/2×3/21 84/6×1/21 84/2×1/63 84/2×5/21 84/10×1/21 84/2×7/21 84/14×1/21
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