Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/40 of 63/98?"
1840 × 6398 is 81280.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40×63/98 18/80×63/98 54/40×63/98 90/40×63/98
© everydaycalculation.com