Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/60 of 3/36?"
2160 × 336 is 7240.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60×3/36 21/60×6/36 21/60×3/72 63/60×3/36 21/60×9/36 21/60×15/36 21/60×21/36
© everydaycalculation.com