Solutions by everydaycalculation.com
720 + 520 is 35.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+5/20 7/20+10/20 7/40+5/20 7/20+5/40 21/20+5/20 7/20+15/20 7/60+5/20 7/20+5/60 35/20+5/20 7/20+25/20 49/20+5/20 7/20+35/20
© everydaycalculation.com