Add 12/15 and 4/27
12/15 + 4/27 is 128/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
12/15 = 12 × 9/15 × 9 = 108/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
4/27 = 4 × 5/27 × 5 = 20/135 - Add the two like fractions:
108/135 + 20/135 = 108 + 20/135 = 128/135 - So, 12/15 + 4/27 = 128/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+4/27 12/15+8/27 12/30+4/27 12/15+4/54 36/15+4/27 12/15+12/27 12/45+4/27 12/15+4/81 60/15+4/27 12/15+20/27 12/75+4/27 84/15+4/27 12/15+28/27