Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/90 of 2/10?"
390 × 210 is 1150.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90×2/10 3/90×4/10 3/90×2/20 9/90×2/10 3/90×6/10 3/90×2/30 15/90×2/10 3/90×2/50 21/90×2/10 3/90×14/10 3/90×2/70
© everydaycalculation.com