Solutions by everydaycalculation.com
540 - 1840 is -1340.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40-18/40 5/40-36/40 5/80-18/40 5/40-18/80 15/40-18/40 5/40-54/40 25/40-18/40 5/40-90/40 35/40-18/40
© everydaycalculation.com