Solutions by everydaycalculation.com
230 - 430 is -115.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-4/30 2/30-8/30 2/60-4/30 2/30-4/60 6/30-4/30 2/30-12/30 2/90-4/30 2/30-4/90 10/30-4/30 2/30-20/30 14/30-4/30 2/30-28/30
© everydaycalculation.com