Solutions by everydaycalculation.com
1st number: 4 1/5, 2nd number: 5/7
This multiplication involving fractions can also be rephrased as "What is 21/5 of 5/7?"
215 × 57 is 31.
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Related: 42/5×5/7 21/5×10/7 21/10×5/7 21/5×5/14 63/5×5/7 21/5×15/7 21/15×5/7 21/5×5/21 21/5×25/7 21/25×5/7 21/5×5/35 21/5×35/7 21/35×5/7 21/5×5/49
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