Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 28/70 of 4/90?"
2870 × 490 is 4225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70×4/90 28/70×8/90 84/70×4/90 28/70×12/90 28/70×20/90 28/70×28/90
© everydaycalculation.com