Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/30 of 56/80?"
2130 × 5680 is 49100.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30×56/80 21/60×56/80 63/30×56/80 21/90×56/80
© everydaycalculation.com