Solutions by everydaycalculation.com
1st number: 21 0/2, 2nd number: 12/75
This multiplication involving fractions can also be rephrased as "What is 42/2 of 12/75?"
422 × 1275 is 8425.
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Related: 84/2×12/75 42/2×24/75 42/4×12/75 42/2×36/75 42/6×12/75 42/2×60/75 42/10×12/75 42/2×84/75 42/14×12/75
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