Solutions by everydaycalculation.com
1st number: 15 0/2, 2nd number: 12/90
This multiplication involving fractions can also be rephrased as "What is 30/2 of 12/90?"
302 × 1290 is 21.
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Related: 60/2×12/90 30/2×24/90 30/4×12/90 90/2×12/90 30/2×36/90 30/6×12/90 30/2×60/90 30/10×12/90 30/2×84/90 30/14×12/90
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