Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 4/42?"
1821 × 442 is 449.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21×4/42 18/21×8/42 18/42×4/42 18/21×4/84 54/21×4/42 18/21×12/42 18/63×4/42 90/21×4/42 18/21×20/42 18/21×28/42
© everydaycalculation.com