Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 16/21 of 35/40?"
1621 × 3540 is 23.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21×35/40 16/21×70/40 16/42×35/40 16/21×35/80 48/21×35/40 16/63×35/40 80/21×35/40
© everydaycalculation.com