Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/63 of 5/49?"
2163 × 549 is 5147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/63×5/49 21/63×10/49 21/63×5/98 21/63×15/49 21/63×25/49 21/63×35/49
© everydaycalculation.com