Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/21 of 21/70?"
521 × 2170 is 114.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21×21/70 5/21×42/70 5/42×21/70 15/21×21/70 5/21×63/70 5/63×21/70 25/21×21/70 35/21×21/70
© everydaycalculation.com