Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/90 of 10/20?"
1090 × 1020 is 118.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90×10/20 10/90×10/40 30/90×10/20 10/90×30/20 10/90×10/60 50/90×10/20 10/90×50/20 70/90×10/20 10/90×70/20
© everydaycalculation.com