Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/21 of 14/20?"
1221 × 1420 is 25.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21×14/20 12/21×28/20 12/42×14/20 12/21×14/40 36/21×14/20 12/21×42/20 12/63×14/20 12/21×14/60 60/21×14/20 12/21×70/20 84/21×14/20 12/21×98/20
© everydaycalculation.com