Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/50 of 9/90?"
4250 × 990 is 21250.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50×9/90 42/50×18/90 42/50×27/90 42/50×45/90 42/50×63/90
© everydaycalculation.com