Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/80 of 21/25?"
180 × 2125 is 212000.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/80×21/25 1/80×42/25 1/80×21/50 3/80×21/25 1/80×63/25 1/80×21/75 5/80×21/25 7/80×21/25
© everydaycalculation.com