Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/63 of 1/72?"
2163 × 172 is 1216.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/63×1/72 21/63×2/72 21/63×3/72 21/63×5/72 21/63×7/72
© everydaycalculation.com