Solutions by everydaycalculation.com
1st number: 5 0/3, 2nd number: 21/60
This multiplication involving fractions can also be rephrased as "What is 15/3 of 21/60?"
153 × 2160 is 74.
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Related: 30/3×21/60 15/3×42/60 15/6×21/60 45/3×21/60 15/3×63/60 15/9×21/60 75/3×21/60 15/21×21/60
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