Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 16/21 of 6/42?"
1621 × 642 is 16147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21×6/42 16/21×12/42 16/42×6/42 16/21×6/84 48/21×6/42 16/21×18/42 16/63×6/42 80/21×6/42 16/21×30/42
© everydaycalculation.com