Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/10 of 28/42?"
310 × 2842 is 15.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10×28/42 3/10×56/42 3/20×28/42 3/10×28/84 9/10×28/42 3/10×84/42 3/30×28/42 15/10×28/42 3/50×28/42 21/10×28/42 3/70×28/42
© everydaycalculation.com