Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/9 of 8/10?"
39 × 810 is 415.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9×8/10 3/9×16/10 3/18×8/10 3/9×8/20 3/9×24/10 3/27×8/10 3/9×8/30 15/9×8/10 3/9×40/10 3/45×8/10 3/9×8/50 21/9×8/10 3/9×56/10 3/63×8/10 3/9×8/70
© everydaycalculation.com