Solutions by everydaycalculation.com
230 - 1630 is -715.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-16/30 2/30-32/30 2/60-16/30 2/30-16/60 6/30-16/30 2/30-48/30 2/90-16/30 2/30-16/90 10/30-16/30 2/30-80/30 14/30-16/30
© everydaycalculation.com