Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/28 of 18/40?"
1828 × 1840 is 81280.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28×18/40 18/28×36/40 18/56×18/40 18/28×18/80 54/28×18/40 18/28×54/40 18/84×18/40 90/28×18/40 18/28×90/40
© everydaycalculation.com