Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/70 of 25/30?"
2170 × 2530 is 14.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70×25/30 21/70×50/30 21/70×25/60 63/70×25/30 21/70×75/30 21/70×25/90
© everydaycalculation.com