Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/63 of 63/90?"
2063 × 6390 is 29.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63×63/90 60/63×63/90
© everydaycalculation.com