Solutions by everydaycalculation.com
1020 - 720 is 320.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-14/20 10/40-7/20 10/20-7/40 30/20-7/20 10/20-21/20 10/60-7/20 10/20-7/60 50/20-7/20 10/20-35/20 70/20-7/20 10/20-49/20
© everydaycalculation.com