Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/18 of 15/81?"
618 × 1581 is 581.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18×15/81 6/18×30/81 6/36×15/81 6/18×45/81 6/54×15/81 30/18×15/81 6/18×75/81 6/90×15/81 42/18×15/81
© everydaycalculation.com