Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 24/80 of 21/45?"
2480 × 2145 is 750.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/80×21/45 24/80×42/45 24/80×21/90 72/80×21/45 24/80×63/45
© everydaycalculation.com