Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/81 of 6/30?"
2181 × 630 is 7135.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/81×6/30 21/81×12/30 21/81×6/60 63/81×6/30 21/81×18/30 21/81×6/90 21/81×42/30
© everydaycalculation.com