Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/75 of 12/63?"
2175 × 1263 is 475.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75×12/63 21/75×24/63 63/75×12/63 21/75×36/63 21/75×60/63 21/75×84/63
© everydaycalculation.com