Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/30 of 21/49?"
2130 × 2149 is 310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30×21/49 21/30×42/49 21/60×21/49 21/30×21/98 63/30×21/49 21/30×63/49 21/90×21/49
© everydaycalculation.com