Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/84 of 2/20?"
2184 × 220 is 140.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/84×2/20 21/84×4/20 21/84×2/40 63/84×2/20 21/84×6/20 21/84×2/60 21/84×10/20 21/84×14/20
© everydaycalculation.com