Add 28/27 and 7/15
1st number: 1 1/27, 2nd number: 7/15
28/27 + 7/15 is 203/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
28/27 = 28 × 5/27 × 5 = 140/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
7/15 = 7 × 9/15 × 9 = 63/135 - Add the two like fractions:
140/135 + 63/135 = 140 + 63/135 = 203/135 - So, 28/27 + 7/15 = 203/135
In mixed form: 168/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27+7/15 28/27+14/15 28/54+7/15 28/27+7/30 84/27+7/15 28/27+21/15 28/81+7/15 28/27+7/45 28/27+35/15 28/27+7/75 28/27+49/15