Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 2/80 of 5/81?"
280 × 581 is 1648.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/80×5/81 2/80×10/81 6/80×5/81 2/80×15/81 10/80×5/81 2/80×25/81 14/80×5/81 2/80×35/81
© everydaycalculation.com