Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/40 of 10/90?"
1840 × 1090 is 120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40×10/90 18/40×20/90 18/80×10/90 54/40×10/90 18/40×30/90 90/40×10/90 18/40×50/90 18/40×70/90
© everydaycalculation.com