Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/21 of 18/20?"
1021 × 1820 is 37.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21×18/20 10/21×36/20 10/42×18/20 10/21×18/40 30/21×18/20 10/21×54/20 10/63×18/20 10/21×18/60 50/21×18/20 10/21×90/20 70/21×18/20
© everydaycalculation.com