Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 4/40?"
1821 × 440 is 335.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21×4/40 18/21×8/40 18/42×4/40 18/21×4/80 54/21×4/40 18/21×12/40 18/63×4/40 90/21×4/40 18/21×20/40 18/21×28/40
© everydaycalculation.com