Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/21 of 4/40?"
621 × 440 is 135.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21×4/40 6/21×8/40 6/42×4/40 6/21×4/80 18/21×4/40 6/21×12/40 6/63×4/40 30/21×4/40 6/21×20/40 42/21×4/40 6/21×28/40
© everydaycalculation.com