Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/20 of 4/90?"
520 × 490 is 190.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20×4/90 5/20×8/90 5/40×4/90 15/20×4/90 5/20×12/90 5/60×4/90 25/20×4/90 5/20×20/90 35/20×4/90 5/20×28/90
© everydaycalculation.com