Solutions by everydaycalculation.com
390 + 1290 is 16.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+12/90 3/90+24/90 9/90+12/90 3/90+36/90 15/90+12/90 3/90+60/90 21/90+12/90 3/90+84/90
© everydaycalculation.com