Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/21 of 18/40?"
1021 × 1840 is 314.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21×18/40 10/21×36/40 10/42×18/40 10/21×18/80 30/21×18/40 10/21×54/40 10/63×18/40 50/21×18/40 10/21×90/40 70/21×18/40
© everydaycalculation.com