Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/21 of 6/15?"
1221 × 615 is 835.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21×6/15 12/21×12/15 12/42×6/15 12/21×6/30 36/21×6/15 12/21×18/15 12/63×6/15 12/21×6/45 60/21×6/15 12/21×30/15 12/21×6/75 84/21×6/15 12/21×42/15
© everydaycalculation.com