Solutions by everydaycalculation.com
1st number: 21 0/2, 2nd number: 12/72
This multiplication involving fractions can also be rephrased as "What is 42/2 of 12/72?"
422 × 1272 is 72.
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Related: 84/2×12/72 42/2×24/72 42/4×12/72 42/2×36/72 42/6×12/72 42/2×60/72 42/10×12/72 42/2×84/72 42/14×12/72
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