Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/10 of 10/80?"
410 × 1080 is 120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10×10/80 4/10×20/80 4/20×10/80 12/10×10/80 4/10×30/80 4/30×10/80 20/10×10/80 4/10×50/80 4/50×10/80 28/10×10/80 4/10×70/80 4/70×10/80
© everydaycalculation.com