Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/30 of 6/20?"
2130 × 620 is 21100.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30×6/20 21/30×12/20 21/60×6/20 21/30×6/40 63/30×6/20 21/30×18/20 21/90×6/20 21/30×6/60 21/30×30/20 21/30×42/20
© everydaycalculation.com