Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/80 of 10/40?"
880 × 1040 is 140.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80×10/40 8/80×20/40 8/80×10/80 24/80×10/40 8/80×30/40 40/80×10/40 8/80×50/40 56/80×10/40 8/80×70/40
© everydaycalculation.com