Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/30 of 21/60?"
630 × 2160 is 7100.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30×21/60 6/30×42/60 6/60×21/60 18/30×21/60 6/30×63/60 6/90×21/60 42/30×21/60
© everydaycalculation.com