Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/42 of 12/15?"
2042 × 1215 is 821.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/42×12/15 20/42×24/15 20/84×12/15 20/42×12/30 60/42×12/15 20/42×36/15 20/42×12/45 20/42×60/15 20/42×12/75 20/42×84/15
© everydaycalculation.com