Solutions by everydaycalculation.com
230 - 110 is -130.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-1/10 2/30-2/10 2/60-1/10 2/30-1/20 6/30-1/10 2/30-3/10 2/90-1/10 2/30-1/30 10/30-1/10 2/30-5/10 2/30-1/50 14/30-1/10 2/30-7/10 2/30-1/70
© everydaycalculation.com