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