Add 16/18 and 27/30
16/18 + 27/30 is 161/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
16/18 = 16 × 5/18 × 5 = 80/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
27/30 = 27 × 3/30 × 3 = 81/90 - Add the two like fractions:
80/90 + 81/90 = 80 + 81/90 = 161/90 - So, 16/18 + 27/30 = 161/90
In mixed form: 171/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/18+27/30 16/18+54/30 16/36+27/30 16/18+27/60 48/18+27/30 16/18+81/30 16/54+27/30 16/18+27/90 80/18+27/30 16/90+27/30