Solutions by everydaycalculation.com
720 + 1520 is 1110.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+15/20 7/20+30/20 7/40+15/20 7/20+15/40 21/20+15/20 7/20+45/20 7/60+15/20 7/20+15/60 35/20+15/20 7/20+75/20 49/20+15/20
© everydaycalculation.com