Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/63 of 18/60?"
4063 × 1860 is 421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63×18/60 40/63×36/60 40/63×54/60 40/63×90/60
© everydaycalculation.com