Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/50 of 6/90?"
2150 × 690 is 7250.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50×6/90 21/50×12/90 63/50×6/90 21/50×18/90 21/50×30/90 21/50×42/90
© everydaycalculation.com