Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/30 of 12/90?"
1830 × 1290 is 225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30×12/90 18/30×24/90 18/60×12/90 54/30×12/90 18/30×36/90 18/90×12/90 90/30×12/90 18/30×60/90 18/30×84/90
© everydaycalculation.com