Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/90 of 4/10?"
390 × 410 is 175.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90×4/10 3/90×8/10 3/90×4/20 9/90×4/10 3/90×12/10 3/90×4/30 15/90×4/10 3/90×20/10 3/90×4/50 21/90×4/10 3/90×28/10 3/90×4/70
© everydaycalculation.com