Add 80/28 and 6/18
1st number: 2 24/28, 2nd number: 6/18
80/28 + 6/18 is 67/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
80/28 = 80 × 9/28 × 9 = 720/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
6/18 = 6 × 14/18 × 14 = 84/252 - Add the two like fractions:
720/252 + 84/252 = 720 + 84/252 = 804/252 - 804/252 simplified gives 67/21
- So, 80/28 + 6/18 = 67/21
In mixed form: 34/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28+12/18 80/56+6/18 80/28+6/36 80/84+6/18 80/28+6/54 80/28+30/18 80/28+6/90 80/28+42/18