Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/42 of 12/40?"
142 × 1240 is 1140.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42×12/40 1/42×24/40 1/84×12/40 1/42×12/80 3/42×12/40 1/42×36/40 5/42×12/40 1/42×60/40 7/42×12/40 1/42×84/40
© everydaycalculation.com