Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/30 of 2/20?"
2130 × 220 is 7100.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30×2/20 21/30×4/20 21/60×2/20 21/30×2/40 63/30×2/20 21/30×6/20 21/90×2/20 21/30×2/60 21/30×10/20 21/30×14/20
© everydaycalculation.com