Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/63 of 25/63?"
4063 × 2563 is 10003969.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63×25/63 40/63×50/63 40/63×75/63
© everydaycalculation.com