Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/30 of 10/40?"
1530 × 1040 is 18.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30×20/40 15/60×10/40 15/30×10/80 45/30×10/40 15/30×30/40 15/90×10/40 75/30×10/40 15/30×50/40 15/30×70/40
© everydaycalculation.com