Solutions by everydaycalculation.com
510 + 910 is 75.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10+18/10 5/20+9/10 5/10+9/20 15/10+9/10 5/10+27/10 5/30+9/10 5/10+9/30 25/10+9/10 5/10+45/10 5/50+9/10 5/10+9/50 35/10+9/10 5/10+63/10 5/70+9/10 5/10+9/70
© everydaycalculation.com