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