Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/21 of 16/90?"
421 × 1690 is 32945.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21×16/90 4/21×32/90 4/42×16/90 12/21×16/90 4/21×48/90 4/63×16/90 20/21×16/90 4/21×80/90 28/21×16/90
© everydaycalculation.com