Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/21 of 8/81?"
921 × 881 is 8189.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21×8/81 9/21×16/81 9/42×8/81 27/21×8/81 9/21×24/81 9/63×8/81 45/21×8/81 9/21×40/81 63/21×8/81 9/21×56/81
© everydaycalculation.com