Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/24 of 45/63?"
2124 × 4563 is 58.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24×45/63 21/24×90/63 21/48×45/63 63/24×45/63 21/72×45/63
© everydaycalculation.com