Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 16/63 of 15/81?"
1663 × 1581 is 801701.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/63×15/81 16/63×30/81 48/63×15/81 16/63×45/81 80/63×15/81 16/63×75/81
© everydaycalculation.com