Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/50 of 10/30?"
2150 × 1030 is 750.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50×10/30 21/50×20/30 21/50×10/60 63/50×10/30 21/50×10/90 21/50×50/30 21/50×70/30
© everydaycalculation.com