Solutions by everydaycalculation.com
1st number: 1 6/15, 2nd number: 21/42
This multiplication involving fractions can also be rephrased as "What is 21/15 of 21/42?"
2115 × 2142 is 710.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/15×21/42 21/30×21/42 21/15×21/84 63/15×21/42 21/15×63/42 21/45×21/42 21/75×21/42
© everydaycalculation.com