Solutions by everydaycalculation.com
240 - 1040 is -15.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40-10/40 2/40-20/40 2/80-10/40 2/40-10/80 6/40-10/40 2/40-30/40 10/40-10/40 2/40-50/40 14/40-10/40 2/40-70/40
© everydaycalculation.com