Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/90 of 21/36?"
4290 × 2136 is 49180.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90×21/36 42/90×42/36 42/90×21/72 42/90×63/36
© everydaycalculation.com