Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/40 of 6/30?"
2140 × 630 is 21200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/40×6/30 21/40×12/30 21/80×6/30 21/40×6/60 63/40×6/30 21/40×18/30 21/40×6/90 21/40×42/30
© everydaycalculation.com