Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 28/70 of 21/50?"
2870 × 2150 is 21125.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70×21/50 28/70×42/50 84/70×21/50 28/70×63/50
© everydaycalculation.com