Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/21 of 7/42?"
1521 × 742 is 542.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21×7/42 15/21×14/42 15/42×7/42 15/21×7/84 45/21×7/42 15/21×21/42 15/63×7/42 75/21×7/42 15/21×35/42 15/21×49/42
© everydaycalculation.com