Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 20/70?"
1821 × 2070 is 1249.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21×20/70 18/21×40/70 18/42×20/70 54/21×20/70 18/21×60/70 18/63×20/70 90/21×20/70
© everydaycalculation.com