Add 28/15 and 14/7
1st number: 1 13/15, 2nd number: 2 0/7
28/15 + 14/7 is 58/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
28/15 = 28 × 7/15 × 7 = 196/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
14/7 = 14 × 15/7 × 15 = 210/105 - Add the two like fractions:
196/105 + 210/105 = 196 + 210/105 = 406/105 - 406/105 simplified gives 58/15
- So, 28/15 + 14/7 = 58/15
In mixed form: 313/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+14/7 28/15+28/7 28/30+14/7 84/15+14/7 28/15+42/7 28/45+14/7 28/15+14/21 28/15+70/7 28/75+14/7 28/15+14/35 28/15+98/7 28/15+14/49