Add 15/27 and 12/8
1st number: 15/27, 2nd number: 1 4/8
15/27 + 12/8 is 37/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
15/27 = 15 × 8/27 × 8 = 120/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
12/8 = 12 × 27/8 × 27 = 324/216 - Add the two like fractions:
120/216 + 324/216 = 120 + 324/216 = 444/216 - 444/216 simplified gives 37/18
- So, 15/27 + 12/8 = 37/18
In mixed form: 21/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/27+12/8 15/27+24/8 15/54+12/8 15/27+12/16 45/27+12/8 15/27+36/8 15/81+12/8 15/27+12/24 75/27+12/8 15/27+60/8 15/27+12/40 15/27+84/8 15/27+12/56