Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/60 of 27/70?"
2160 × 2770 is 27200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60×27/70 21/60×54/70 63/60×27/70 21/60×81/70
© everydaycalculation.com