Solutions by everydaycalculation.com
128 + 428 is 528.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+4/28 1/28+8/28 1/56+4/28 1/28+4/56 3/28+4/28 1/28+12/28 1/84+4/28 1/28+4/84 5/28+4/28 1/28+20/28 7/28+4/28
© everydaycalculation.com