Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/81 of 8/10?"
1281 × 810 is 16135.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/81×8/10 12/81×16/10 12/81×8/20 36/81×8/10 12/81×24/10 12/81×8/30 60/81×8/10 12/81×40/10 12/81×8/50 84/81×8/10 12/81×56/10 12/81×8/70
© everydaycalculation.com