Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/40 of 12/21?"
640 × 1221 is 335.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40×12/21 6/40×24/21 6/80×12/21 6/40×12/42 18/40×12/21 6/40×36/21 6/40×12/63 30/40×12/21 6/40×60/21 42/40×12/21 6/40×84/21
© everydaycalculation.com