Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/20 of 21/70?"
420 × 2170 is 350.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20×21/70 4/20×42/70 4/40×21/70 12/20×21/70 4/20×63/70 4/60×21/70 28/20×21/70
© everydaycalculation.com