Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/28 of 30/70?"
728 × 3070 is 328.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28×30/70 7/28×60/70 7/56×30/70 21/28×30/70 7/28×90/70 7/84×30/70 35/28×30/70 49/28×30/70
© everydaycalculation.com