Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/40 of 15/80?"
1240 × 1580 is 9160.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40×15/80 12/40×30/80 12/80×15/80 36/40×15/80 12/40×45/80 60/40×15/80 12/40×75/80 84/40×15/80
© everydaycalculation.com