Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/80 of 30/45?"
1580 × 3045 is 18.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/80×30/45 15/80×60/45 15/80×30/90 45/80×30/45 15/80×90/45 75/80×30/45
© everydaycalculation.com