Solutions by everydaycalculation.com
1620 + 1020 is 1310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/20+10/20 16/40+10/20 16/20+10/40 48/20+10/20 16/20+30/20 16/60+10/20 16/20+10/60 80/20+10/20 16/20+50/20 16/20+70/20
© everydaycalculation.com