Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/63 of 30/50?"
4063 × 3050 is 821.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63×30/50 40/63×60/50 40/63×90/50
© everydaycalculation.com