Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/90 of 4/50?"
2090 × 450 is 4225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90×4/50 20/90×8/50 60/90×4/50 20/90×12/50 20/90×20/50 20/90×28/50
© everydaycalculation.com