Solutions by everydaycalculation.com
1st number: 20 0/4, 2nd number: 4/10
This multiplication involving fractions can also be rephrased as "What is 80/4 of 4/10?"
804 × 410 is 81.
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Related: 80/4×8/10 80/8×4/10 80/4×4/20 80/4×12/10 80/12×4/10 80/4×4/30 80/4×20/10 80/20×4/10 80/4×4/50 80/4×28/10 80/28×4/10 80/4×4/70
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