Add 9/30 and 18/27
9/30 + 18/27 is 29/30.
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,
9/30 = 9 × 9/30 × 9 = 81/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
18/27 = 18 × 10/27 × 10 = 180/270 - Add the two like fractions:
81/270 + 180/270 = 81 + 180/270 = 261/270 - 261/270 simplified gives 29/30
- So, 9/30 + 18/27 = 29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30+18/27 9/30+36/27 9/60+18/27 9/30+18/54 27/30+18/27 9/30+54/27 9/90+18/27 9/30+18/81 45/30+18/27 9/30+90/27 63/30+18/27