Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/60 of 21/70?"
1560 × 2170 is 340.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60×21/70 15/60×42/70 45/60×21/70 15/60×63/70 75/60×21/70
© everydaycalculation.com