Add 18/27 and 14/30
18/27 + 14/30 is 17/15.
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,
18/27 = 18 × 10/27 × 10 = 180/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
14/30 = 14 × 9/30 × 9 = 126/270 - Add the two like fractions:
180/270 + 126/270 = 180 + 126/270 = 306/270 - 306/270 simplified gives 17/15
- So, 18/27 + 14/30 = 17/15
In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+14/30 18/27+28/30 18/54+14/30 18/27+14/60 54/27+14/30 18/27+42/30 18/81+14/30 18/27+14/90 90/27+14/30 18/27+70/30 18/27+98/30