Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/40 of 4/20?"
340 × 420 is 3200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40×4/20 3/40×8/20 3/80×4/20 3/40×4/40 9/40×4/20 3/40×12/20 3/40×4/60 15/40×4/20 21/40×4/20 3/40×28/20
© everydaycalculation.com