Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/15 of 21/63?"
415 × 2163 is 445.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15×21/63 4/15×42/63 4/30×21/63 12/15×21/63 4/45×21/63 20/15×21/63 4/75×21/63 28/15×21/63
© everydaycalculation.com