Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 30/40 of 12/45?"
3040 × 1245 is 15.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40×12/45 30/40×24/45 30/80×12/45 30/40×12/90 90/40×12/45 30/40×36/45 30/40×60/45 30/40×84/45
© everydaycalculation.com