Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/81 of 15/63?"
4081 × 1563 is 2001701.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/81×15/63 40/81×30/63 40/81×45/63 40/81×75/63
© everydaycalculation.com