Solutions by everydaycalculation.com
1st number: 4 1/20, 2nd number: 1/40
This multiplication involving fractions can also be rephrased as "What is 81/20 of 1/40?"
8120 × 140 is 81800.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/20×2/40 81/40×1/40 81/20×1/80 81/20×3/40 81/60×1/40 81/20×5/40 81/20×7/40
© everydaycalculation.com