Solutions by everydaycalculation.com
1st number: 3 1/2, 2nd number: 18/21
This multiplication involving fractions can also be rephrased as "What is 7/2 of 18/21?"
72 × 1821 is 31.
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Related: 14/2×18/21 7/2×36/21 7/4×18/21 7/2×18/42 21/2×18/21 7/2×54/21 7/6×18/21 7/2×18/63 35/2×18/21 7/2×90/21 7/10×18/21 49/2×18/21 7/14×18/21
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