Solutions by everydaycalculation.com
1842 - 2142 is -114.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42-21/42 18/84-21/42 18/42-21/84 54/42-21/42 18/42-63/42 90/42-21/42
© everydaycalculation.com