Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/20 of 12/40?"
820 × 1240 is 325.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20×12/40 8/20×24/40 8/40×12/40 8/20×12/80 24/20×12/40 8/20×36/40 8/60×12/40 40/20×12/40 8/20×60/40 56/20×12/40 8/20×84/40
© everydaycalculation.com