Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 28/70 of 30/42?"
2870 × 3042 is 27.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70×30/42 28/70×60/42 28/70×30/84 84/70×30/42 28/70×90/42
© everydaycalculation.com