Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/90 of 15/81?"
990 × 1581 is 154.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90×15/81 9/90×30/81 27/90×15/81 9/90×45/81 45/90×15/81 9/90×75/81 63/90×15/81
© everydaycalculation.com