Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/21 of 1/40?"
121 × 140 is 1840.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21×1/40 1/21×2/40 1/42×1/40 1/21×1/80 3/21×1/40 1/21×3/40 1/63×1/40 5/21×1/40 1/21×5/40 7/21×1/40 1/21×7/40
© everydaycalculation.com