Solutions by everydaycalculation.com
4550 - 450 is 4150.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50-4/50 45/50-8/50 45/50-12/50 45/50-20/50 45/50-28/50
© everydaycalculation.com