Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/21 of 20/35?"
1221 × 2035 is 1649.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21×20/35 12/21×40/35 12/42×20/35 12/21×20/70 36/21×20/35 12/21×60/35 12/63×20/35 60/21×20/35 84/21×20/35
© everydaycalculation.com