Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 12/40?"
1821 × 1240 is 935.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21×12/40 18/21×24/40 18/42×12/40 18/21×12/80 54/21×12/40 18/21×36/40 18/63×12/40 90/21×12/40 18/21×60/40 18/21×84/40
© everydaycalculation.com