Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/30 of 21/40?"
630 × 2140 is 21200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30×21/40 6/30×42/40 6/60×21/40 6/30×21/80 18/30×21/40 6/30×63/40 6/90×21/40 42/30×21/40
© everydaycalculation.com