Solutions by everydaycalculation.com
1st number: 13 3/6, 2nd number: 40/90
This multiplication involving fractions can also be rephrased as "What is 81/6 of 40/90?"
816 × 4090 is 61.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/6×80/90 81/12×40/90 81/18×40/90 81/30×40/90 81/42×40/90
© everydaycalculation.com