Solutions by everydaycalculation.com
13 + 312 is 712.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3+3/12 1/3+6/12 1/6+3/12 1/3+3/24 1/3+9/12 1/9+3/12 1/3+3/36 5/3+3/12 1/3+15/12 1/15+3/12 1/3+3/60 7/3+3/12 1/3+21/12 1/21+3/12 1/3+3/84
© everydaycalculation.com