Solutions by everydaycalculation.com
1st number: 1 3/15, 2nd number: 10/90
This multiplication involving fractions can also be rephrased as "What is 18/15 of 10/90?"
1815 × 1090 is 215.
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Related: 36/15×10/90 18/15×20/90 18/30×10/90 54/15×10/90 18/15×30/90 18/45×10/90 90/15×10/90 18/15×50/90 18/75×10/90 18/15×70/90
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