Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/20 of 8/40?"
920 × 840 is 9100.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20×8/40 9/20×16/40 9/40×8/40 9/20×8/80 27/20×8/40 9/20×24/40 9/60×8/40 45/20×8/40 63/20×8/40 9/20×56/40
© everydaycalculation.com