Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/21 of 6/30?"
421 × 630 is 4105.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21×6/30 4/21×12/30 4/42×6/30 4/21×6/60 12/21×6/30 4/21×18/30 4/63×6/30 4/21×6/90 20/21×6/30 28/21×6/30 4/21×42/30
© everydaycalculation.com