Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/50 of 30/40?"
2150 × 3040 is 63200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50×30/40 21/50×60/40 21/50×30/80 63/50×30/40 21/50×90/40
© everydaycalculation.com