Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 14/21 of 12/40?"
1421 × 1240 is 15.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21×12/40 14/21×24/40 14/42×12/40 14/21×12/80 42/21×12/40 14/21×36/40 14/63×12/40 70/21×12/40 14/21×60/40 98/21×12/40 14/21×84/40
© everydaycalculation.com