Add 18/30 and 16/27
18/30 + 16/27 is 161/135.
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,
18/30 = 18 × 9/30 × 9 = 162/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
16/27 = 16 × 10/27 × 10 = 160/270 - Add the two like fractions:
162/270 + 160/270 = 162 + 160/270 = 322/270 - 322/270 simplified gives 161/135
- So, 18/30 + 16/27 = 161/135
In mixed form: 126/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+16/27 18/30+32/27 18/60+16/27 18/30+16/54 54/30+16/27 18/30+48/27 18/90+16/27 18/30+16/81 90/30+16/27 18/30+80/27