Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/80 of 21/30?"
880 × 2130 is 7100.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80×21/30 8/80×42/30 8/80×21/60 24/80×21/30 8/80×63/30 8/80×21/90 40/80×21/30 56/80×21/30
© everydaycalculation.com