Add 30/60 and 27/45
30/60 + 27/45 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
30/60 = 30 × 3/60 × 3 = 90/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
27/45 = 27 × 4/45 × 4 = 108/180 - Add the two like fractions:
90/180 + 108/180 = 90 + 108/180 = 198/180 - 198/180 simplified gives 11/10
- So, 30/60 + 27/45 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+54/45 30/60+27/90 90/60+27/45 30/60+81/45