Solutions by everydaycalculation.com
330 - 730 is -215.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30-7/30 3/30-14/30 3/60-7/30 3/30-7/60 9/30-7/30 3/30-21/30 3/90-7/30 3/30-7/90 15/30-7/30 3/30-35/30 21/30-7/30 3/30-49/30
© everydaycalculation.com