Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/21 of 25/35?"
521 × 2535 is 25147.
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Related: 10/21×25/35 5/21×50/35 5/42×25/35 5/21×25/70 15/21×25/35 5/21×75/35 5/63×25/35 25/21×25/35 35/21×25/35
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