Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/90 of 21/50?"
990 × 2150 is 21500.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90×21/50 9/90×42/50 27/90×21/50 9/90×63/50 45/90×21/50 63/90×21/50
© everydaycalculation.com