Solutions by everydaycalculation.com
150 - 2150 is -25.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/50-21/50 1/50-42/50 3/50-21/50 1/50-63/50 5/50-21/50 7/50-21/50
© everydaycalculation.com