Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/63 of 15/56?"
2163 × 1556 is 556.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/63×15/56 21/63×30/56 21/63×45/56 21/63×75/56
© everydaycalculation.com