Solutions by everydaycalculation.com
1st number: 1 1/7, 2nd number: 80/81
This multiplication involving fractions can also be rephrased as "What is 8/7 of 80/81?"
87 × 8081 is 640567.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7×80/81 8/14×80/81 24/7×80/81 8/21×80/81 40/7×80/81 8/35×80/81 56/7×80/81 8/49×80/81
© everydaycalculation.com