Add 15/27 and 27/30
15/27 + 27/30 is 131/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
15/27 = 15 × 10/27 × 10 = 150/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
27/30 = 27 × 9/30 × 9 = 243/270 - Add the two like fractions:
150/270 + 243/270 = 150 + 243/270 = 393/270 - 393/270 simplified gives 131/90
- So, 15/27 + 27/30 = 131/90
In mixed form: 141/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/27+27/30 15/27+54/30 15/54+27/30 15/27+27/60 45/27+27/30 15/27+81/30 15/81+27/30 15/27+27/90 75/27+27/30