Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/54 of 6/63?"
2154 × 663 is 127.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/54×6/63 21/54×12/63 63/54×6/63 21/54×18/63 21/54×30/63 21/54×42/63
© everydaycalculation.com