Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 28/40 of 30/90?"
2840 × 3090 is 730.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40×30/90 28/40×60/90 28/80×30/90 84/40×30/90
© everydaycalculation.com