Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/63 of 75/90?"
4063 × 7590 is 100189.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63×75/90
© everydaycalculation.com