Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/30 of 25/70?"
2130 × 2570 is 14.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30×25/70 21/30×50/70 21/60×25/70 63/30×25/70 21/30×75/70 21/90×25/70
© everydaycalculation.com