Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/64 of 21/90?"
1264 × 2190 is 7160.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/64×21/90 12/64×42/90 36/64×21/90 12/64×63/90 60/64×21/90 84/64×21/90
© everydaycalculation.com