Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/45 of 21/70?"
1245 × 2170 is 225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45×21/70 12/45×42/70 12/90×21/70 36/45×21/70 12/45×63/70 60/45×21/70 84/45×21/70
© everydaycalculation.com