Solutions by everydaycalculation.com
4042 - 2142 is 1942.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42-21/42 40/84-21/42 40/42-21/84 40/42-63/42
© everydaycalculation.com