Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/90 of 30/42?"
390 × 3042 is 142.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90×30/42 3/90×60/42 3/90×30/84 9/90×30/42 3/90×90/42 15/90×30/42 21/90×30/42
© everydaycalculation.com