Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/80 of 21/50?"
580 × 2150 is 21800.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/80×21/50 5/80×42/50 15/80×21/50 5/80×63/50 25/80×21/50 35/80×21/50
© everydaycalculation.com