Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/42 of 21/90?"
4042 × 2190 is 29.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42×21/90 40/42×42/90 40/84×21/90 40/42×63/90
© everydaycalculation.com