Solutions by everydaycalculation.com
18 - 45 is -2740.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-4/5 1/8-8/5 1/16-4/5 1/8-4/10 3/8-4/5 1/8-12/5 1/24-4/5 1/8-4/15 5/8-4/5 1/8-20/5 1/40-4/5 1/8-4/25 7/8-4/5 1/8-28/5 1/56-4/5 1/8-4/35
© everydaycalculation.com