Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 5/7?"
1821 × 57 is 3049.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21×5/7 18/21×10/7 18/42×5/7 18/21×5/14 54/21×5/7 18/21×15/7 18/63×5/7 18/21×5/21 90/21×5/7 18/21×25/7 18/21×5/35 18/21×35/7 18/21×5/49
© everydaycalculation.com