Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/80 of 4/20?"
680 × 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: 12/80×4/20 6/80×8/20 6/80×4/40 18/80×4/20 6/80×12/20 6/80×4/60 30/80×4/20 42/80×4/20 6/80×28/20
© everydaycalculation.com