Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/72 of 4/90?"
472 × 490 is 1405.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72×4/90 4/72×8/90 12/72×4/90 4/72×12/90 20/72×4/90 4/72×20/90 28/72×4/90 4/72×28/90
© everydaycalculation.com