Solutions by everydaycalculation.com
230 - 730 is -16.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-7/30 2/30-14/30 2/60-7/30 2/30-7/60 6/30-7/30 2/30-21/30 2/90-7/30 2/30-7/90 10/30-7/30 2/30-35/30 14/30-7/30 2/30-49/30
© everydaycalculation.com