Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/90 of 12/20?"
1090 × 1220 is 115.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90×12/20 10/90×24/20 10/90×12/40 30/90×12/20 10/90×36/20 10/90×12/60 50/90×12/20 10/90×60/20 70/90×12/20 10/90×84/20
© everydaycalculation.com