Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/15 of 21/60?"
315 × 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: 6/15×21/60 3/15×42/60 3/30×21/60 9/15×21/60 3/15×63/60 3/45×21/60 3/75×21/60 21/15×21/60
© everydaycalculation.com