Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 5/18?"
1821 × 518 is 521.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21×5/18 18/21×10/18 18/42×5/18 18/21×5/36 54/21×5/18 18/21×15/18 18/63×5/18 18/21×5/54 90/21×5/18 18/21×25/18 18/21×5/90 18/21×35/18
© everydaycalculation.com