Solutions by everydaycalculation.com
7090 + 390 is 7390.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90+6/90 70/90+9/90 70/90+15/90 70/90+21/90
© everydaycalculation.com