Solutions by everydaycalculation.com
450 - 1450 is -15.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/50-14/50 4/50-28/50 12/50-14/50 4/50-42/50 20/50-14/50 4/50-70/50 28/50-14/50 4/50-98/50
© everydaycalculation.com