Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/42 of 4/49?"
2142 × 449 is 249.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42×8/49 21/84×4/49 21/42×4/98 63/42×4/49 21/42×12/49 21/42×20/49 21/42×28/49
© everydaycalculation.com