Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 30/80 of 30/70?"
3080 × 3070 is 956.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80×30/70 30/80×60/70 90/80×30/70 30/80×90/70
© everydaycalculation.com