Add 28/27 and 24/15
1st number: 1 1/27, 2nd number: 1 9/15
28/27 + 24/15 is 356/135.
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,
24/15 = 24 × 9/15 × 9 = 216/135 - Add the two like fractions:
140/135 + 216/135 = 140 + 216/135 = 356/135 - So, 28/27 + 24/15 = 356/135
In mixed form: 286/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27+24/15 28/27+48/15 28/54+24/15 28/27+24/30 84/27+24/15 28/27+72/15 28/81+24/15 28/27+24/45 28/27+24/75