Solutions by everydaycalculation.com
1020 - 320 is 720.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-6/20 10/40-3/20 10/20-3/40 30/20-3/20 10/20-9/20 10/60-3/20 10/20-3/60 50/20-3/20 10/20-15/20 70/20-3/20 10/20-21/20
© everydaycalculation.com