Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/45 of 2/12?"
2145 × 212 is 790.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/45×2/12 21/45×4/12 21/90×2/12 21/45×2/24 63/45×2/12 21/45×6/12 21/45×2/36 21/45×10/12 21/45×2/60 21/45×14/12 21/45×2/84
© everydaycalculation.com