Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/63 of 10/16?"
2163 × 1016 is 524.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/63×10/16 21/63×20/16 21/63×10/32 21/63×30/16 21/63×10/48 21/63×50/16 21/63×10/80 21/63×70/16
© everydaycalculation.com