Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 30/90 of 21/40?"
3090 × 2140 is 740.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90×21/40 30/90×42/40 30/90×21/80 30/90×63/40
© everydaycalculation.com