Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/28 of 21/80?"
728 × 2180 is 21320.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28×21/80 7/28×42/80 7/56×21/80 21/28×21/80 7/28×63/80 7/84×21/80 35/28×21/80 49/28×21/80
© everydaycalculation.com