Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/25 of 21/42?"
1525 × 2142 is 310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25×21/42 15/50×21/42 15/25×21/84 45/25×21/42 15/25×63/42 15/75×21/42 75/25×21/42
© everydaycalculation.com