Solutions by everydaycalculation.com
4260 + 660 is 45.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+6/60 42/60+12/60 42/60+18/60 42/60+30/60 42/60+42/60
© everydaycalculation.com