Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/21 of 30/70?"
1021 × 3070 is 1049.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21×30/70 10/21×60/70 10/42×30/70 30/21×30/70 10/21×90/70 10/63×30/70 50/21×30/70 70/21×30/70
© everydaycalculation.com