Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/21 of 6/80?"
321 × 680 is 3280.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/21×6/80 3/21×12/80 3/42×6/80 9/21×6/80 3/21×18/80 3/63×6/80 15/21×6/80 3/21×30/80 3/21×42/80
© everydaycalculation.com