Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/80 of 21/27?"
4280 × 2127 is 49120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80×21/27 42/80×42/27 42/80×21/54 42/80×63/27 42/80×21/81
© everydaycalculation.com