Solutions by everydaycalculation.com
140 - 3040 is -2940.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40-30/40 1/40-60/40 1/80-30/40 1/40-30/80 3/40-30/40 1/40-90/40 5/40-30/40 7/40-30/40
© everydaycalculation.com