Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/48 of 21/45?"
4048 × 2145 is 718.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/48×21/45 40/48×42/45 40/96×21/45 40/48×21/90 40/48×63/45
© everydaycalculation.com