Solutions by everydaycalculation.com
440 - 940 is -18.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40-9/40 4/40-18/40 4/80-9/40 4/40-9/80 12/40-9/40 4/40-27/40 20/40-9/40 4/40-45/40 28/40-9/40 4/40-63/40
© everydaycalculation.com