Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 2/21 of 18/72?"
221 × 1872 is 142.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21×18/72 2/21×36/72 2/42×18/72 6/21×18/72 2/21×54/72 2/63×18/72 10/21×18/72 2/21×90/72 14/21×18/72
© everydaycalculation.com