Solutions by everydaycalculation.com
1215 + 1015 is 2215.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+10/15 12/15+20/15 12/30+10/15 12/15+10/30 36/15+10/15 12/15+30/15 12/45+10/15 12/15+10/45 60/15+10/15 12/15+50/15 12/75+10/15 12/15+10/75 84/15+10/15 12/15+70/15
© everydaycalculation.com