Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/20 of 1/40?"
1020 × 140 is 180.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20×2/40 10/40×1/40 10/20×1/80 30/20×1/40 10/20×3/40 10/60×1/40 50/20×1/40 10/20×5/40 70/20×1/40 10/20×7/40
© everydaycalculation.com