Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/90 of 36/80?"
2190 × 3680 is 21200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/90×36/80 21/90×72/80 63/90×36/80
© everydaycalculation.com