Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/70 of 21/90?"
2070 × 2190 is 115.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/70×21/90 20/70×42/90 60/70×21/90 20/70×63/90
© everydaycalculation.com