Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/81 of 4/30?"
2181 × 430 is 14405.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/81×4/30 21/81×8/30 21/81×4/60 63/81×4/30 21/81×12/30 21/81×4/90 21/81×20/30 21/81×28/30
© everydaycalculation.com