Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/81 of 4/5?"
181 × 45 is 4405.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81×4/5 1/81×8/5 1/81×4/10 3/81×4/5 1/81×12/5 1/81×4/15 5/81×4/5 1/81×20/5 1/81×4/25 7/81×4/5 1/81×28/5 1/81×4/35
© everydaycalculation.com