Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/80 of 15/81?"
1880 × 1581 is 124.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/80×15/81 18/80×30/81 54/80×15/81 18/80×45/81 90/80×15/81 18/80×75/81
© everydaycalculation.com