Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/42 of 35/72?"
2142 × 3572 is 35144.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42×70/72 21/84×35/72 63/42×35/72
© everydaycalculation.com