Solutions by everydaycalculation.com
1520 + 1820 is 3320.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+18/20 15/20+36/20 15/40+18/20 15/20+18/40 45/20+18/20 15/20+54/20 15/60+18/20 15/20+18/60 75/20+18/20 15/20+90/20
© everydaycalculation.com