Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 2/10 of 40/90?"
210 × 4090 is 445.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10×40/90 2/10×80/90 2/20×40/90 6/10×40/90 2/30×40/90 2/50×40/90 14/10×40/90 2/70×40/90
© everydaycalculation.com