Solutions by everydaycalculation.com
1st number: 1 2/10, 2nd number: 40/90
This multiplication involving fractions can also be rephrased as "What is 12/10 of 40/90?"
1210 × 4090 is 815.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10×40/90 12/10×80/90 12/20×40/90 36/10×40/90 12/30×40/90 60/10×40/90 12/50×40/90 84/10×40/90 12/70×40/90
© everydaycalculation.com