Add 8/30 and 18/27
8/30 + 18/27 is 14/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
8/30 = 8 × 9/30 × 9 = 72/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
18/27 = 18 × 10/27 × 10 = 180/270 - Add the two like fractions:
72/270 + 180/270 = 72 + 180/270 = 252/270 - 252/270 simplified gives 14/15
- So, 8/30 + 18/27 = 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+18/27 8/30+36/27 8/60+18/27 8/30+18/54 24/30+18/27 8/30+54/27 8/90+18/27 8/30+18/81 40/30+18/27 8/30+90/27 56/30+18/27