Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/10 of 2/81?"
410 × 281 is 4405.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10×2/81 4/10×4/81 4/20×2/81 12/10×2/81 4/10×6/81 4/30×2/81 20/10×2/81 4/10×10/81 4/50×2/81 28/10×2/81 4/10×14/81 4/70×2/81
© everydaycalculation.com